Destroy all Forests.

{T}: Add {C}.

{T}: Add {W} or {U}. Adarkar Wastes deals 1 damage to you.

Sacrifice a creature: Add {C}{C}.

Sacrifice an artifact: Atog gets +2/+2 until end of turn.

{T}: Add {C}.

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

{0}: Return Blinking Spirit to its owner's hand.

Destroy all Islands.

Return target permanent to its owner's hand.

{T}: Add {C}.

{T}: Add {G} or {W}. Brushland deals 1 damage to you.

{T}: Add {C}.

{T}: Add {W} or {B}. Caves of Koilos deals 1 damage to you.

Whenever City of Brass becomes tapped, it deals 1 damage to you.

{T}: Add one mana of any color.

Counter target spell.

Search your library for a card, then shuffle and put that card on top. You lose 2 life.

Enchant creature card in a graveyard

When Dance of the Dead enters the battlefield, if it's on the battlefield, it loses "enchant creature card in a graveyard" and gains "enchant creature put onto the battlefield with Dance of the Dead." Put enchanted creature card onto the battlefield tapped under your control and attach Dance of the Dead to it. When Dance of the Dead leaves the battlefield, that creature's controller sacrifices it.

Enchanted creature gets +1/+1 and doesn't untap during its controller's untap step.

At the beginning of the upkeep of enchanted creature's controller, that player may pay {1}{B}. If the player does, untap that creature.

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

Dauthi Slayer attacks each combat if able.

Change the target of target spell with a single target.

Counter target spell. If an artifact or creature spell is countered this way, put that card onto the battlefield under your control instead of into its owner's graveyard.

{T}, Sacrifice a creature: You gain life equal to the sacrificed creature's toughness.

{3}, {T}: Target player discards a card. Activate only during your turn.

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

White creatures get -1/-1.

At the beginning of your upkeep, destroy the creature with the least power. It can't be regenerated. If two or more creatures are tied for least power, you choose one of them.

When there are no creatures on the battlefield, sacrifice Drop of Honey.

{2}{R}, {T}: Destroy target nonbasic land.

Earthquake deals X damage to each creature without flying and each player.

Enchant creature

Enchanted creature gets +1/+1 for each card in your hand.

All artifacts have "At the beginning of your upkeep, sacrifice this artifact unless you pay {2}."

Tap target untapped creature you control. If you do, add an amount of {C} equal to that creature's mana value.

Destroy target creature unless its controller pays life equal to its toughness. A creature destroyed this way can't be regenerated.

The next time a source of your choice would deal damage to you this turn, instead that source deals that much damage to you and Eye for an Eye deals that much damage to that source's controller.

Destroy all Plains.

Each player discards any number of cards, then draws that many cards.

Draw a card.

{T}: Add {G}.

Target creature gets +3/+3 until end of turn.

Sacrifice a creature: Goblin Bombardment deals 1 damage to any target.

Other Goblins get +1/+1 and have mountainwalk.

When Goblin Recruiter enters the battlefield, search your library for any number of Goblin cards, reveal them, then shuffle and put those cards on top in any order.

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

{B}, Pay 2 life: Draw a card.

{X}, {T}: Target opponent mills a card, then repeats this process until a creature card or X cards have been put into their graveyard this way, whichever comes first. If one or more creature cards were put into that graveyard this way, sacrifice Helm of Obedience and put one of them onto the battlefield under your control. X can't be 0.

Choose one --

• Counter target spell if it's red.

• Destroy target permanent if it's red.

Incinerate deals 3 damage to any target. A creature dealt damage this way can't be regenerated this turn.

Draw four cards. You lose half your life, rounded up.

Target player draws two cards.

If you would draw a card during your draw step, instead you may skip that draw. If you do, until your next turn, you can't be attacked except by creatures with flying and/or islandwalk.

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

Destroy all artifacts, creatures, and lands. They can't be regenerated.

{T}: Add {C}.

{T}: Add {R} or {G}. Karplusan Forest deals 1 damage to you.

Protection from white

{B}: Knight of Stromgald gains first strike until end of turn.

{B}{B}: Knight of Stromgald gets +1/+0 until end of turn.

You have no maximum hand size.

If an effect causes you to discard a card, discard it, but you may put it on top of your library instead of into your graveyard.

Lightning Bolt deals 3 damage to any target.

{T}: Add {C}.

{T}: Add {B} or {G}. Llanowar Wastes deals 1 damage to you.

Whenever a player taps a land for mana, that player adds one mana of any type that land produced.

Whenever a player taps a land for mana, Manabarbs deals 1 damage to that player.

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

{2}, {T}: Target player mills two cards.

Target player discards two cards.

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

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

Whenever Mtenda Lion attacks, defending player may pay {U}. If that player does, prevent all combat damage that would be dealt by Mtenda Lion this turn.

Nevinyrral's Disk enters the battlefield tapped.

{1}, {T}: Destroy all artifacts, creatures, and enchantments.

Flying

At the beginning of your upkeep, sacrifice Nicol Bolas unless you pay {U}{B}{R}.

Whenever Nicol Bolas deals damage to an opponent, that player discards their hand.

{T}: Orcish Artillery deals 2 damage to any target and 3 damage to you.

{T}, Sacrifice a Forest: Add three mana in any combination of {R} and/or {G}.

Protection from black

{W}: Order of Leitbur gains first strike until end of turn.

{W}{W}: Order of Leitbur gets +1/+0 until end of turn.

Protection from white

{B}: Order of the Ebon Hand gains first strike until end of turn.

{B}{B}: Order of the Ebon Hand gets +1/+0 until end of turn.

{T}, Pay 1 life: Counter target black spell.

Protection from black

{W}: Order of the White Shield gains first strike until end of turn.

{W}{W}: Order of the White Shield gets +1/+0 until end of turn.

Flying

When Oubliette enters the battlefield, target creature phases out until Oubliette leaves the battlefield. Tap that creature as it phases in this way. (Auras and Equipment phase out with it. While permanents are phased out, they're treated as though they don't exist.)

Enchant creature

Enchanted creature can't attack or block.

At the beginning of your upkeep, sacrifice Peacekeeper unless you pay {1}{W}.

Creatures can't attack.

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

{G}: Phelddagrif gains trample until end of turn. Target opponent creates a 1/1 green Hippo creature token.

{W}: Phelddagrif gains flying until end of turn. Target opponent gains 2 life.

{U}: Return Phelddagrif to its owner's hand. Target opponent may draw a card.

Whenever a player casts an enchantment spell, counter it.

Each player draws X cards.

Choose one --

• Counter target spell if it's blue.

• Destroy target permanent if it's blue.

Return a Forest you control to its owner's hand: Untap target creature. Activate only once each turn.

Destroy target land.

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

Target player mills a card.

Draw a card at the beginning of the next turn's upkeep.

Discard X cards, then return a card from your graveyard to your hand for each card discarded this way. Exile Recall.

Return target card from your graveyard to your hand.

Cast this spell only during an opponent's turn after their upkeep step.

Untap all lands you control.

Return target creature card from your graveyard to the battlefield.

At the beginning of your upkeep, sacrifice Sacred Mesa unless you sacrifice a Pegasus.

{1}{W}: Create a 1/1 white Pegasus creature token with flying.

Reveal any number of red cards in your hand. Scent of Cinder deals X damage to any target, where X is the number of cards revealed this way.

Flying

At the beginning of your upkeep, Serendib Efreet deals 1 damage to you.

At the beginning of your upkeep, destroy all artifacts and enchantments. They can't be regenerated.

Serrated Arrows enters the battlefield with three arrowhead counters on it.

At the beginning of your upkeep, if there are no arrowhead counters on Serrated Arrows, sacrifice it.

{T}, Remove an arrowhead counter from Serrated Arrows: Put a -1/-1 counter on target creature.

Destroy target artifact.

{T}: Add {C}.

{T}: Add {U} or {R}. Shivan Reef deals 1 damage to you.

Players skip their untap steps.

At the beginning of your upkeep, sacrifice Stasis unless you pay {U}.

Destroy target land.

Target player chooses three cards from their hand and puts them on top of their library in any order.

{T}: Add {C}.

{T}: Add {B} or {R}. Sulfurous Springs deals 1 damage to you.

As The Rack enters the battlefield, choose an opponent.

At the beginning of the chosen player's upkeep, The Rack deals X damage to that player, where X is 3 minus the number of cards in their hand.

Search your library for a Plains card. If target opponent controls more lands than you, you may search your library for an additional Plains card. Reveal those cards, put them into your hand, then shuffle.

Sacrifice an artifact. If you do, search your library for an artifact card. If that card's mana value is less than or equal to the sacrificed artifact's mana value, put it onto the battlefield. If it's greater, you may pay {X}, where X is the difference. If you do, put it onto the battlefield. If you don't, put it into its owner's graveyard. Then shuffle.

Triskelion enters the battlefield with three +1/+1 counters on it.

Remove a +1/+1 counter from Triskelion: It deals 1 damage to any target.

Destroy all Islands.

{T}: Add {C}.

{T}: Add {U} or {B}. Underground River deals 1 damage to you.

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

Target opponent sacrifices a creature for each creature put into your graveyard from the battlefield this turn.

{T}, Sacrifice Urza's Bauble: Look at a card at random in target player's hand. You draw a card at the beginning of the next turn's upkeep.

You may have Vesuvan Doppelganger enter the battlefield as a copy of any creature on the battlefield, except it doesn't copy that creature's color and it has "At the beginning of your upkeep, you may have this creature become a copy of target creature, except it doesn't copy that creature's color and it has this ability."

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

At the beginning of the end step, return Viashino Sandstalker to its owner's hand. (Return it only if it's on the battlefield.)

Enchant land

Whenever enchanted land is tapped for mana, its controller adds an additional {G}.

Each player shuffles the cards from their hand into their library, then draws that many cards.

Destroy target land.

Reach (This creature can block creatures with flying.)

Whenever Woolly Spider blocks a creature with flying, Woolly Spider gets +0/+2 until end of turn.

{T}: Add {C}.

{T}: Add {G} or {U}. Yavimaya Coast deals 1 damage to you.

{1}{R}{R}, {T}: Search your library for a Dragon permanent card, put that card onto the battlefield, then shuffle. That Dragon gains haste until end of turn. Exile it at the beginning of the next end step.

Sacrifice a land: You gain 2 life.