As an additional cost to cast this spell, discard X cards.

Look at target opponent's hand and choose X cards from it. That player discards those cards.

Destroy target artifact, creature, or land. Aftershock deals 3 damage to you.

Sacrifice a creature: Target player mills cards equal to the sacrificed creature's power.

Any player may cast creature spells with mana value 3 or less without paying their mana costs and as though they had flash.

At the beginning of each player's upkeep, Ancient Runes deals damage to that player equal to the number of artifacts they control.

{T}: Add {C}{C}. Ancient Tomb deals 2 damage to you.

Buyback {3} (You may pay an additional {3} as you cast this spell. If you do, put this card into your hand as it resolves.)

Prevent the next 3 damage that would be dealt to target creature this turn.

Whenever Apes of Rath attacks, it doesn't untap during its controller's next untap step.

Exile all permanents. You discard your hand.

All Sliver creatures have "{2}: This creature gets +0/+1 until end of turn."

Flying

Sacrifice an enchantment: Auratog gets +2/+2 until end of turn.

Flying

When Avenging Angel dies, you may put it on top of its owner's library.

All Sliver creatures have "{2}: This creature gets +1/+0 until end of turn."

Flying

Whenever Bellowing Fiend deals damage to a creature, Bellowing Fiend deals 3 damage to that creature's controller and 3 damage to you.

Islandwalk (This creature can't be blocked as long as defending player controls an Island.)

Destroy all Islands.

As Booby Trap enters the battlefield, choose an opponent and a card name other than a basic land card name.

The chosen player reveals each card they draw.

When the chosen player draws a card with the chosen name, sacrifice Booby Trap. If you do, Booby Trap deals 10 damage to that player.

Sacrifice Bottle Gnomes: You gain 3 life.

{T}: Put a bounty counter on target nonblack creature.

{T}: Destroy target creature with a bounty counter on it.

Caldera Lake enters the battlefield tapped.

{T}: Add {C}.

{T}: Add {U} or {R}. Caldera Lake deals 1 damage to you.

Mountainwalk (This creature can't be blocked as long as defending player controls a Mountain.)

{2}{B}{B}: Exile Carrionette and target creature unless that creature's controller pays {2}. Activate only if Carrionette is in your graveyard.

Charging Rhino can't be blocked by more than one creature.

Red spells cost {2} more to cast.

Islands don't untap during their controllers' untap steps.

{1}: The next time a green source of your choice would deal damage to you this turn, prevent that damage.

{1}: The next time a red source of your choice would deal damage to you this turn, prevent that damage.

{1}: The next time a creature of your choice with shadow would deal damage to you this turn, prevent that damage.

{1}: The next time a white source of your choice would deal damage to you this turn, prevent that damage.

{T}: Prevent the next 1 damage that would be dealt to any target this turn.

All Slivers have "{2}: Regenerate this permanent."

Target opponent reveals their hand. You choose a card from it. That player discards that card.

You may choose not to untap Coffin Queen during your untap step.

{2}{B}, {T}: Put target creature card from a graveyard onto the battlefield under your control. When Coffin Queen becomes untapped or you lose control of Coffin Queen, exile that creature.

First strike

{3}: Exile target creature you control.

Sacrifice Cold Storage: Return each creature card exiled with Cold Storage to the battlefield under your control.

Fear (This creature can't be blocked except by artifact creatures and/or black creatures.)

When Commander Greven il-Vec enters the battlefield, sacrifice a creature.

Buyback {2} (You may pay an additional {2} as you cast this spell. If you do, put this card into your hand as it resolves.)

Return the top creature card of your graveyard to the battlefield. That creature gains haste until end of turn. Exile it at the beginning of the next end step.

{G}: Crazed Armodon gets +3/+0 and gains trample until end of turn. Destroy Crazed Armodon at the beginning of the next end step. Activate only once each turn.

{3}, {T}: Choose a card name, then reveal a card at random from your hand. If that card has the chosen name, Cursed Scroll deals 2 damage to any target.

Destroy target nonblack creature. It can't be regenerated.

Add {B}{B}{B}.

Shadow (This creature can block or be blocked by only creatures with shadow.)

Shadow (This creature can block or be blocked by only creatures with shadow.)

{1}{B}: Dauthi Mercenary gets +1/+0 until end of turn.

Shadow (This creature can block or be blocked by only creatures with shadow.)

Whenever Dauthi Mindripper attacks and isn't blocked, you may sacrifice it. If you do, defending player discards three cards.

Whenever a creature is dealt damage, destroy it. It can't be regenerated.

Target player sacrifices a creature.

Whenever an opponent plays a land, put a +1/+1 counter on Dirtcowl Wurm.

Destroy target artifact or enchantment.

Counter target spell.

Draw a card.

Buyback {3} (You may pay an additional {3} as you cast this spell. If you do, put this card into your hand as it resolves.)

Return target creature card from your graveyard to your hand.

Flying

As Dracoplasm enters the battlefield, sacrifice any number of creatures. Dracoplasm's power becomes the total power of those creatures and its toughness becomes their total toughness.

{R}: Dracoplasm gets +1/+0 until end of turn.

White creatures get -1/-1.

Draw three cards, then put two cards from your hand both on top of your library or both on the bottom of your library.

Destroy X target nonblack creatures. Draw X cards.

When Duplicity enters the battlefield, exile the top five cards of your library face down.

At the beginning of your upkeep, you may exile all cards from your hand face down. If you do, put all other cards you own exiled with Duplicity into your hand.

At the beginning of your end step, discard a card.

When you lose control of Duplicity, put all cards exiled with Duplicity into their owner's graveyard.

Tap an untapped creature you control: Untap target basic land.

{4}, {T}: An opponent chooses target creature they control. Create a token that's a copy of that creature. That token gains haste until end of turn. Exile the token at the beginning of the next end step. Activate only as a sorcery.

At the beginning of each player's precombat main phase, that player adds {G}{G}.

Other Elf creatures have forestwalk. (They can't be blocked as long as defending player controls a Forest.)

Other Elves have shroud. (They can't be the targets of spells or abilities.)

Whenever Elite Javelineer blocks, it deals 1 damage to target attacking creature.

Whenever Elven Warhounds becomes blocked by a creature, put that creature on top of its owner's library.

Buyback {4} (You may pay an additional {4} as you cast this spell. If you do, put this card into your hand as it resolves.)

Target creature gets +2/+2 until end of turn.

Green spells you cast cost {1} less to cast.

{2}, {T}: Put a +1/+1 counter on Energizer.

{R}, {T}: Enraging Licid loses this ability and becomes an Aura enchantment with enchant creature. Attach it to target creature. You may pay {R} to end this effect.

Enchanted creature has haste.

X can't be 0.

Target spell's controller exiles it with X delay counters on it.

At the beginning of each of that player's upkeeps, if that card is exiled, remove a delay counter from it. If the card has no delay counters on it, the player puts it onto the stack as a copy of the original spell.

As long as an opponent controls a creature with flying not named Escaped Shapeshifter, Escaped Shapeshifter has flying. The same is true for first strike, trample, and protection from any color.

{3}, {T}: Put an elixir counter on Essence Bottle.

{T}, Remove all elixir counters from Essence Bottle: You gain 2 life for each elixir counter removed this way.

{T}, Sacrifice a basic land: Target creature gains landwalk of each of the land types of the sacrificed land until end of turn. (It can't be blocked as long as defending player controls a land of any of those types.)

Destroy all creatures of the creature type of your choice.

Whenever a nontoken creature is put into your graveyard from the battlefield, create a 1/1 white Spirit creature token with flying.

Flying

Flying

{R}: Firefly gets +1/+0 until end of turn.

Flying

Whenever Flailing Drake blocks or becomes blocked by a creature, that creature gets +1/+1 until end of turn.

Enchant creature

As Flickering Ward enters the battlefield, choose a color.

Enchanted creature has protection from the chosen color. This effect doesn't remove Flickering Ward.

{W}: Return Flickering Ward to its owner's hand.

{R}: Flowstone Giant gets +2/-2 until end of turn.

{R}: Flowstone Salamander deals 1 damage to target creature blocking it.

Flying

{R}: Flowstone Wyvern gets +2/-2 until end of turn.

{2}, {T}: Draw a card. Activate only if you have no cards in hand.

Whenever Fugitive Druid becomes the target of an Aura spell, you draw a card.

If a source would deal damage to a permanent or player, it deals double that damage to that permanent or player instead.

Flying

Fylamarid can't be blocked by blue creatures.

{U}: Target creature becomes blue until end of turn.

Target blocking creature gets +4/+4 until end of turn.

Draw a card.

{2}{W}: Creatures you control get +1/+1 until end of turn.

{T}: Add {C}.

{0}: Return Ghost Town to its owner's hand. Activate only if it's not your turn.

{U}: Giant Crab gains shroud until end of turn. (It can't be the target of spells or abilities.)

When Gravedigger enters the battlefield, you may return target creature card from your graveyard to your hand.

{3}, {T}: Target player mills two cards. If two cards that share a color were milled this way, repeat this process.

During combat, players can't cast instant spells or activate abilities that aren't mana abilities.

All artifacts have shroud. (They can't be the targets of spells or abilities.)

As an additional cost to cast this spell, sacrifice a land.

Search your library for up to two basic land cards, put them onto the battlefield, then shuffle.

Whenever an opponent casts a white spell, they lose 2 life.

All Sliver creatures have haste.

{T}, Sacrifice a Forest: Heartwood Giant deals 2 damage to target player or planeswalker.

Forestwalk (This creature can't be blocked as long as defending player controls a Forest.)

You may choose not to untap Helm of Possession during your untap step.

{2}, {T}, Sacrifice a creature: Gain control of target creature for as long as you control Helm of Possession and Helm of Possession remains tapped.

Enchant creature

Enchanted creature gets +1/+5.

All Sliver creatures have trample.

All creatures lose all abilities and have base power and toughness 1/1.

Buyback {3} (You may pay an additional {3} as you cast this spell. If you do, put this card into your hand as it resolves.)

Target creature attacks this turn if able.

Whenever an opponent casts a green spell, you draw a card.

Search your library for three cards and reveal them. Target opponent chooses one. Put that card into your hand and the rest into your graveyard. Then shuffle.

Buyback {3} (You may pay an additional {3} as you cast this spell. If you do, put this card into your hand as it resolves.)

The next time a source of your choice would deal damage to you this turn, prevent that damage.

Whenever Jackal Pup is dealt damage, it deals that much damage to you.

Black spells you cast cost {1} less to cast.

At the beginning of your upkeep, Jinxed Idol deals 2 damage to you.

Sacrifice a creature: Target opponent gains control of Jinxed Idol.

First strike

At the beginning of your upkeep, if your opponents control no creatures, Kezzerdrix deals 4 damage to you.

Kindle deals X damage to any target, where X is 2 plus the number of cards named Kindle in all graveyards.

Krakilin enters the battlefield with X +1/+1 counters on it.

{1}{G}: Regenerate Krakilin.

{B}, {T}: Leeching Licid loses this ability and becomes an Aura enchantment with enchant creature. Attach it to target creature. You may pay {B} to end this effect.

At the beginning of the upkeep of enchanted creature's controller, Leeching Licid deals 1 damage to that player.

Exchange control of target artifact or creature and another target permanent that shares one of those types with it. (This effect lasts indefinitely.)

Haste (This creature can attack and {T} as soon as it comes under your control.)

Each player exiles all creature cards from their graveyard, then sacrifices all creatures they control, then puts all cards they exiled this way onto the battlefield.

Target player reveals their hand, then you choose a card other than a basic land card from it. Search that player's graveyard, hand, and library for all cards with the same name as the chosen card and exile them. Then that player shuffles.

{T}, Sacrifice Lotus Petal: Add one mana of any color.

Flying

{T}: Non-Wall creatures the active player controls attack this turn if able. At the beginning of the next end step, destroy each of those creatures that didn't attack this turn. Activate only during an opponent's turn and only before combat.

Magmasaur enters the battlefield with five +1/+1 counters on it.

At the beginning of your upkeep, you may remove a +1/+1 counter from Magmasaur. If you don't, sacrifice Magmasaur and it deals damage equal to the number of +1/+1 counters on it to each creature without flying and each player.

If a creature with a magnet counter on it attacks, all creatures with magnet counters on them attack if able.

Whenever a creature with a magnet counter on it attacks, all creatures with magnet counters on them block that creature this turn if able.

{1}, {T}: Put a magnet counter on target creature.

Search your library for any number of land cards, exile them, then shuffle.

{T}: Add {C}.

{U}: Manta Riders gains flying until end of turn.

Creatures with power 3 or greater don't untap during their controllers' untap steps.

Sacrifice a Swamp: Marsh Lurker gains fear until end of turn. (It can't be blocked except by artifact creatures and/or black creatures.)

Flying

{T}: Mawcor deals 1 damage to any target.

{T}: Add {C}.

{T}: Untap target attacking creature with shadow. Prevent all combat damage that would be dealt to and dealt by that creature this turn.

Draw four cards. You skip your next turn.

All Slivers have "{2}, Sacrifice this permanent: Target player discards a card at random. Activate only as a sorcery."

Trample

As Minion of the Wastes enters the battlefield, pay any amount of life.

Minion of the Wastes's power and toughness are each equal to the life paid as it entered the battlefield.

At the beginning of your upkeep, you may look at the top three cards of your library, then put them back in any order.

All Slivers have "{2}, Sacrifice this permanent: Draw a card."

{T}: Target creature you control gets +1/+0 and gains flying until end of turn. Destroy that creature at the beginning of the next end step.

{T}: Add {C}.

{T}: Add {R} or {G}. Mogg Hollows doesn't untap during your next untap step.

Sacrifice a Goblin: Target creature gets +1/+1 until end of turn.

When Mongrel Pack dies during combat, create four 1/1 green Dog creature tokens.

Target player gains 8 life.

All lands are 2/2 creatures that are still lands.

Needle Storm deals 4 damage to each creature with flying.

Whenever a creature becomes blocked by a creature with lesser power, destroy the blocking creature.

Whenever a creature blocks a creature with lesser power, destroy the attacking creature.

{G}, {T}: Nurturing Licid loses this ability and becomes an Aura enchantment with enchant creature. Attach it to target creature. You may pay {G} to end this effect.

{G}: Regenerate enchanted creature.

{T}: Opportunist deals 1 damage to target creature that was dealt damage this turn.

{T}: Target opponent chooses any number of creatures they control. During that player's next turn, the chosen creatures attack if able, and other creatures can't attack. At the beginning of that turn's end step, destroy each of the chosen creatures that didn't attack this turn. Activate only during your turn.

Whenever one or more creatures attack you, you gain 1 life for each attacking creature.

{T}: Prevent the next 3 damage that would be dealt to any target this turn.

Creatures you control get +3/+3 and gain trample until end of turn.

Enchant creature

Enchanted creature can't attack or block.

As Pallimud enters the battlefield, choose an opponent.

Pallimud's power is equal to the number of tapped lands the chosen player controls.

Discard a card: Regenerate Patchwork Gnomes. (The next time this creature would be destroyed, instead tap it, remove it from combat, and heal all damage on it.)

White spells you cast cost {1} less to cast.

Destroy all green creatures. They can't be regenerated.

{4}, {T}: Target opponent chooses one of the top two cards of your graveyard. Exile that card and put the other one into your hand.

{2}, {T}, Choose flying, first strike, trample, or shadow: Until end of turn, target creature with the chosen ability loses it and another target creature gains it.

Shroud (This creature can't be the target of spells or abilities.)

At the beginning of your upkeep, you may look at the top card of target opponent's library. If you do, you may put that card on the bottom of that player's library.

{2}, {T}: You may tap or untap target creature.

{1}{W}, {T}: Quickening Licid loses this ability and becomes an Aura enchantment with enchant creature. Attach it to target creature. You may pay {W} to end this effect.

Enchanted creature has first strike.

Destroy target land.

Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

First strike

{G}: Regenerate Ranger en-Vec.

Flying (This creature can't be blocked except by creatures with flying or reach.)

When Rathi Dragon enters the battlefield, sacrifice it unless you sacrifice two Mountains.

Put target creature card from a graveyard onto the battlefield under your control. You lose life equal to its mana value.

Return up to X target cards from your graveyard to your hand, where X is the number of black permanents target opponent controls as you cast this spell.

Destroy two target nonblack creatures. You lose 5 life.

Skip your draw step.

Whenever you play a card, draw a card.

Your maximum hand size is two.

{T}: Add one mana of any type that a land you control could produce.

First strike

Whenever Renegade Warlord attacks, each other attacking creature gets +1/+0 until end of turn.

Target creature deals damage to itself equal to its power.

Prevent all combat damage that would be dealt this turn. You gain 1 life for each attacking creature.

Rolling Thunder deals X damage divided as you choose among any number of targets.

Artifacts and lands enter the battlefield tapped.

Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.)

{1}{G}: Rootwalla gets +2/+2 until end of turn. Activate only once each turn.

{T}: Add {C}.

{T}: Add {U} or {B}. Rootwater Depths doesn't untap during your next untap step.

{T}, Sacrifice Rootwater Diver: Return target artifact card from your graveyard to your hand.

{T}: Rootwater Hunter deals 1 damage to any target.

{T}: Gain control of target creature for as long as that creature is enchanted.

You may cast Aura spells with enchant creature as though they had flash.

Red spells you cast cost {1} less to cast.

Enchant creature

Whenever a creature dies, put a +1/+1 counter on enchanted creature.

{2}{W}: Prevent all combat damage that would be dealt by target creature this turn.

Salt Flats enters the battlefield tapped.

{T}: Add {C}.

{T}: Add {W} or {B}. Salt Flats deals 1 damage to you.

Blue spells you cast cost {1} less to cast.

When Sarcomancy enters the battlefield, create a 2/2 black Zombie creature token.

At the beginning of your upkeep, if there are no Zombies on the battlefield, Sarcomancy deals 1 damage to you.

Scabland enters the battlefield tapped.

{T}: Add {C}.

{T}: Add {R} or {W}. Scabland deals 1 damage to you.

At the beginning of your upkeep, if you have three or fewer cards in hand, Scalding Tongs deals 1 damage to target opponent or planeswalker.

As an additional cost to cast this spell, discard X land cards.

Destroy X target lands.

This spell can't be countered.

Protection from blue

{1}, {T}: Exile any number of cards from your hand face down. Put that many cards from the top of your library into your hand. Then look at the exiled cards and put them on top of your library in any order.

Sea Monster can't attack unless defending player controls an Island.

Buyback {4} (You may pay an additional {4} as you cast this spell. If you do, put this card into your hand as it resolves.)

Searing Touch deals 1 damage to any target.

Whenever Segmented Wurm becomes the target of a spell or ability, put a -1/-1 counter on it.

Flying

Pay 2 life: Return Selenia, Dark Angel to its owner's hand.

Destroy target enchantment. You gain life equal to its mana value.

When Servant of Volrath leaves the battlefield, sacrifice a creature.

Whenever Shocker deals damage to a player, that player discards all the cards in their hand, then draws that many cards.

Cast this spell only if you've cast another spell this turn.

Flying

{T}: Add {G}.

{1}: Add {R} or {W}.

Skyshroud Forest enters the battlefield tapped.

{T}: Add {C}.

{T}: Add {G} or {U}. Skyshroud Forest deals 1 damage to you.

{1}{G}: Regenerate Skyshroud Troll.

Flying

Discard a creature card: Skyshroud Vampire gets +2/+2 until end of turn.

Shadow (This creature can block or be blocked by only creatures with shadow.)

{1}{W}: Soltari Crusader gets +1/+0 until end of turn.

{W}: Soltari Emissary gains shadow until end of turn. (It can block or be blocked by only creatures with shadow.)

Shadow (This creature can block or be blocked by only creatures with shadow.)

Soltari Lancer has first strike as long as it's attacking.

Protection from red

Shadow (This creature can block or be blocked by only creatures with shadow.)

Shadow (This creature can block or be blocked by only creatures with shadow.)

Whenever Soltari Trooper attacks, it gets +1/+1 until end of turn.

Pay 3 life: Put a +1/+1 counter on Souldrinker.

Counter target spell with mana value X. (For example, if that spell's mana cost is {3}{U}{U}, X is 5.)

Enchant creature

Enchanted creature gets +3/+3.

When enchanted creature becomes the target of a spell or ability, destroy that creature. It can't be regenerated.

At the beginning of your upkeep, if there are no Reflection tokens on the battlefield, create a 2/2 white Reflection creature token.

{0}: Destroy target Reflection.

As an additional cost to cast this spell, sacrifice a creature.

Spontaneous Combustion deals 3 damage to each creature.

{T}: Prevent the next 1 damage that would be dealt to target creature this turn.

{T}: Add {C}.

{6}: Stalking Stones becomes a 3/3 Elemental artifact creature that's still a land. (This effect lasts indefinitely.)

{T}: Destroy target artifact or creature. That permanent's controller gains control of Starke of Rath. (This effect lasts indefinitely.)

As long as Static Orb is untapped, players can't untap more than two permanents during their untap steps.

When Staunch Defenders enters the battlefield, you gain 4 life.

Enchant enchantment

You control enchanted enchantment.

{1}{U}, {T}: Stinging Licid loses this ability and becomes an Aura enchantment with enchant creature. Attach it to target creature. You may pay {U} to end this effect.

Whenever enchanted creature becomes tapped, Stinging Licid deals 2 damage to that creature's controller.

{G}{G}: Tap target creature with flying.

Sudden Impact deals damage to target player equal to the number of cards in that player's hand.

Enchant creature

Enchanted creature gets +3/+0 as long as it's attacking. Otherwise, it gets -2/-1.

All Sliver creatures have first strike.

Tap an untapped creature you control: Telethopter gains flying until end of turn.

Shadow (This creature can block or be blocked by only creatures with shadow.)

You may choose not to untap Thalakos Dreamsower during your untap step.

Whenever Thalakos Dreamsower deals damage to an opponent, tap target creature. That creature doesn't untap during its controller's untap step for as long as Thalakos Dreamsower remains tapped.

{T}: Add {C}.

{T}: Add {W} or {U}. Thalakos Lowlands doesn't untap during your next untap step.

Shadow (This creature can block or be blocked by only creatures with shadow.)

When Thalakos Seer leaves the battlefield, draw a card.

Shadow (This creature can block or be blocked by only creatures with shadow.)

At the beginning of your upkeep, if you have five or more cards in hand, Thumbscrews deals 1 damage to target opponent or planeswalker.

Target player takes an extra turn after this one.

Sacrifice two creatures: Create a 3/1 red Beast creature token named Carnivore.

At the beginning of your upkeep, put a pain counter on Torture Chamber.

At the beginning of your end step, Torture Chamber deals damage to you equal to the number of pain counters on it.

{1}, {T}, Remove all pain counters from Torture Chamber: It deals damage to target creature equal to the number of pain counters removed this way.

Flying

{T}, Tap two untapped creatures you control: Return target permanent to its owner's hand.

Destroy all enchantments.

{1}{G}: Target creature blocks Trumpeting Armodon this turn if able.

Whenever another creature enters the battlefield, Unstable Shapeshifter becomes a copy of that creature, except it has this ability.

{T}: Add {C}.

{T}: Add {G} or {W}. Vec Townships doesn't untap during your next untap step.

At the beginning of each upkeep, create a 1/1 green Saproling creature token.

Destroy target artifact.

{T}: Until end of turn, target creature has base power 1 or base toughness 1.

Enchant creature

Enchanted creature can't attack or block, and its activated abilities can't be activated. That creature's controller may sacrifice a permanent for that player to ignore this effect until end of turn.

{1}{U}: Return Volrath's Curse to its owner's hand.

Whenever an opponent casts a red spell, you gain 2 life.

{T}: Add {C}.

{T}, Sacrifice Wasteland: Destroy target nonbasic land.

Watchdog blocks each combat if able.

As long as Watchdog is untapped, all creatures attacking you get -1/-0.

Buyback {2} (You may pay an additional {2} as you cast this spell. If you do, put this card into your hand as it resolves.)

Change the text of target permanent by replacing all instances of one color word with another or one basic land type with another until end of turn. (For example, you may change "nonred creature" to "nongreen creature" or "plainswalk" to "swampwalk.")

Buyback {5} (You may pay an additional {5} as you cast this spell. If you do, put this card into your hand as it resolves.)

Draw a card.

When Wild Wurm enters the battlefield, flip a coin. If you lose the flip, return Wild Wurm to its owner's hand.

Flying

{T}: Target creature gains flying until end of turn.

Flying

Destroy all creatures that aren't enchanted. They can't be regenerated.

Destroy target land.

{T}: Choose a creature card name. Reveal the top four cards of your library and put all of them with that name into your hand. Put the rest into your graveyard.

Buyback {2} (You may pay an additional {2} as you cast this spell. If you do, put this card into your hand as it resolves.)

As an additional cost to cast this spell, sacrifice a creature.

You gain life equal to the sacrificed creature's toughness.