This spell can't be countered.

Destroy target nonland permanent with mana value 3 or less.

Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.)

When Acidic Slime enters the battlefield, destroy target artifact, enchantment, or land.

Enchant creature card in a graveyard

When Animate 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 Animate Dead." Return enchanted creature card to the battlefield under your control and attach Animate Dead to it. When Animate Dead leaves the battlefield, that creature's controller sacrifices it.

Enchanted creature gets -1/-0.

If there are ten or more creature cards total in all graveyards, this spell costs {6} less to cast.

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

{T}: Destroy target creature. It can't be regenerated.

Flying

{T}: Add one mana of any color.

Blooming Marsh enters the battlefield tapped unless you control two or fewer other lands.

{T}: Add {B} or {G}.

Trample

As long as Brawn is in your graveyard and you control a Forest, creatures you control have trample.

Search your library for up to three creature cards, put them into your graveyard, then shuffle.

Flying

Whenever Butcher of Malakir or another creature you control dies, each opponent sacrifices a creature.

{T}: Add one mana of any color in your commander's color identity.

You may play lands from your graveyard.

Crypt of Agadeem enters the battlefield tapped.

{T}: Add {B}.

{2}, {T}: Add {B} for each black creature card in your graveyard.

Destroy all creatures. They can't be regenerated.

{T}: Exile target land card from a graveyard. Add one mana of any color.

{B}, {T}: Exile target instant or sorcery card from a graveyard. Each opponent loses 2 life.

{G}, {T}: Exile target creature card from a graveyard. You gain 2 life.

Search your library for a card, put that card into your hand, then shuffle.

Return target creature card from your graveyard to the battlefield.

Flashback--Sacrifice three creatures. (You may cast this card from your graveyard for its flashback cost. Then exile it.)

(Dryad Arbor isn't a spell, it's affected by summoning sickness, and it has "{T}: Add {G}.")

Search your library for a card, put that card into your graveyard, then shuffle.

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

{G}, {T}, Discard a creature card: Search your library for a creature card, reveal it, put it into your hand, then shuffle.

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

{T}: Add {C}.

{T}, Sacrifice Ghost Quarter: Destroy target land. Its controller may search their library for a basic land card, put it onto the battlefield, then shuffle.

This spell costs {1} less to cast for each creature card in your graveyard.

Golgari Grave-Troll enters the battlefield with a +1/+1 counter on it for each creature card in your graveyard.

{1}, Remove a +1/+1 counter from Golgari Grave-Troll: Regenerate Golgari Grave-Troll.

Dredge 6 (If you would draw a card, you may mill six cards instead. If you do, return this card from your graveyard to your hand.)

Golgari Guildgate enters the battlefield tapped.

{T}: Add {B} or {G}.

Golgari Rot Farm enters the battlefield tapped.

When Golgari Rot Farm enters the battlefield, return a land you control to its owner's hand.

{T}: Add {B}{G}.

{1}, {T}: Add {B}{G}.

When Golgari Thug dies, put target creature card from your graveyard on top of your library.

Dredge 4 (If you would draw a card, you may mill four cards instead. If you do, return this card from your graveyard to your hand.)

Mill three cards, then you may return a creature or land card from your graveyard to your hand.

Search your library for a green creature card with mana value X or less, put it onto the battlefield, then shuffle. Shuffle Green Sun's Zenith into its owner's library.

Reveal the top five cards of your library. You may put a creature or land card from among them into your hand. Put the rest into your graveyard.

Destroy target creature or planeswalker.

Jarad, Golgari Lich Lord gets +1/+1 for each creature card in your graveyard.

{1}{B}{G}, Sacrifice another creature: Each opponent loses life equal to the sacrificed creature's power.

Sacrifice a Swamp and a Forest: Return Jarad from your graveyard to your hand.

Jungle Hollow enters the battlefield tapped.

When Jungle Hollow enters the battlefield, you gain 1 life.

{T}: Add {B} or {G}.

Split second (As long as this spell is on the stack, players can't cast spells or activate abilities that aren't mana abilities.)

Destroy target artifact or enchantment.

Return up to three target land cards from your graveyard to your hand.

Dredge 3 (If you would draw a card, you may mill three cards instead. If you do, return this card from your graveyard to your hand.)

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.

{T}: Add {C}.

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

Lord of Extinction's power and toughness are each equal to the number of cards in all graveyards.

Trample

Discard a creature card: Put a +1/+1 counter on Lotleth Troll.

{B}: Regenerate Lotleth Troll.

Mortivore's power and toughness are each equal to the number of creature cards in all graveyards.

{B}: Regenerate Mortivore.

You may cast Necromancy as though it had flash. If you cast it any time a sorcery couldn't have been cast, the controller of the permanent it becomes sacrifices it at the beginning of the next cleanup step.

When Necromancy enters the battlefield, if it's on the battlefield, it becomes an Aura with "enchant creature put onto the battlefield with Necromancy." Put target creature card from a graveyard onto the battlefield under your control and attach Necromancy to it. When Necromancy leaves the battlefield, that creature's controller sacrifices it.

Skip your draw step.

Whenever you discard a card, exile that card from your graveyard.

Pay 1 life: Exile the top card of your library face down. Put that card into your hand at the beginning of your next end step.

As long as Necrotic Ooze is on the battlefield, it has all activated abilities of all creature cards in all graveyards.

Reach

At the beginning of your upkeep, mill two cards.

{1}{B}{G}, Exile Nyx Weaver: Return target card from your graveyard to your hand.

You may play an additional land on each of your turns.

Play with the top card of your library revealed.

You may play lands from the top of your library.

({T}: Add {B} or {G}.)

As Overgrown Tomb enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

{X}, Sacrifice Pernicious Deed: Destroy each artifact, creature, and enchantment with mana value X or less.

At the beginning of your upkeep, you draw a card and you lose 1 life.

When Phyrexian Devourer's power is 7 or greater, sacrifice it.

Exile the top card of your library: Put X +1/+1 counters on Phyrexian Devourer, where X is the exiled card's mana value.

{1}{B}, Pay 2 life: Return target creature card from your graveyard to your hand.

Destroy target artifact or creature. It can't be regenerated.

You may play lands from your graveyard.

Flying, trample

Pay 2 life, Sacrifice another creature: Search your library for a card, put that card into your hand, then shuffle.

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

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

You have no maximum hand size.

{T}: Add {C}.

Draw cards equal to the greatest power among creatures you control.

You may cast a spell with mana value 5 or less from your hand without paying its mana cost.

Flying

When Rune-Scarred Demon enters the battlefield, search your library for a card, put it into your hand, then shuffle.

Sacrifice Sakura-Tribe Elder: Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

When Satyr Wayfinder enters the battlefield, reveal the top four cards of your library. You may put a land card from among them into your hand. Put the rest into your graveyard.

Intimidate (This creature can't be blocked except by artifact creatures and/or creatures that share a color with it.)

When Sepulchral Primordial enters the battlefield, for each opponent, you may put up to one target creature card from that player's graveyard onto the battlefield under your control.

Sacrifice Shambling Shell: Put a +1/+1 counter on target creature.

Dredge 3 (If you would draw a card, you may mill three cards instead. If you do, return this card from your graveyard to your hand.)

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

At the beginning of your upkeep, return target creature card from your graveyard to the battlefield.

At the beginning of each opponent's upkeep, that player sacrifices a creature.

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

When Shriekmaw enters the battlefield, destroy target nonartifact, nonblack creature.

Evoke {1}{B} (You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters the battlefield.)

Deathtouch

Exploit (When this creature enters the battlefield, you may sacrifice a creature.)

When Sidisi, Undead Vizier exploits a creature, you may search your library for a card, put it into your hand, then shuffle.

{T}: Add {C}{C}.

When Solemn Simulacrum enters the battlefield, you may search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

When Solemn Simulacrum dies, you may draw a card.

Trample

Splinterfright's power and toughness are each equal to the number of creature cards in your graveyard.

At the beginning of your upkeep, mill two cards.

Flying

Whenever Stinkweed Imp deals combat damage to a creature, destroy that creature.

Dredge 5 (If you would draw a card, you may mill five cards instead. If you do, return this card from your graveyard to your hand.)

{T}: Add {C}.

{3}{B}{G}: Until end of turn, Svogthos, the Restless Tomb becomes a black and green Plant Zombie creature with "This creature's power and toughness are each equal to the number of creature cards in your graveyard." It's still a land.

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

Whenever another creature dies, or a creature card is put into a graveyard from anywhere other than the battlefield, or a creature card leaves your graveyard, Syr Konrad, the Grim deals 1 damage to each opponent.

{1}{B}: Each player mills a card. (They each put the top card of their library into their graveyard.)

{T}: Add {C}.

{T}: Add {B} or {G}. Activate only if you control a Swamp.

Temple of Malady enters the battlefield tapped.

When Temple of Malady enters the battlefield, scry 1.

{T}: Add {B} or {G}.

Deathtouch

At the beginning of your upkeep, sacrifice The Gitrog Monster unless you sacrifice a land.

You may play an additional land on each of your turns.

Whenever one or more land cards are put into your graveyard from anywhere, draw a card.

{T}: Add {C}.

{B/G}, {T}: Add {B}{B}, {B}{G}, or {G}{G}.

Each land is a Swamp in addition to its other land types.

{T}, Pay 1 life, Sacrifice Verdant Catacombs: Search your library for a Swamp or Forest card, put it onto the battlefield, then shuffle.

Choose two target creature cards in your graveyard. Sacrifice a creature. If you do, return the chosen cards to the battlefield tapped.

Your opponents can't cast spells with even mana values. (Zero is even.)

Your opponents can't block with creatures with even mana values.

Woodland Cemetery enters the battlefield tapped unless you control a Swamp or a Forest.

{T}: Add {B} or {G}.

Whenever World Shaper attacks, you may mill three cards.

When World Shaper dies, return all land cards from your graveyard to the battlefield tapped.

When Yavimaya Elder dies, you may search your library for up to two basic land cards, reveal them, put them into your hand, then shuffle.

{2}, Sacrifice Yavimaya Elder: Draw a card.