Whenever a nontoken creature is put into your graveyard from the battlefield, if this card is in your graveyard, create a 2/2 black Zombie creature token. When a creature is put into an opponent's graveyard from the battlefield, if this card is in your graveyard, exile this card.

{1}, {T}, Sacrifice this artifact: Exile up to one target card from a graveyard. Draw a card. {1}, Exile this card from your graveyard: Add one mana of any color.

Flying When this creature enters, target player reveals cards from the top of their library until they reveal a land card, then puts those cards into their graveyard.

Exile this creature from your hand: Add {G}.

Flying When this card is put into your graveyard from your library, you may put it onto the battlefield.

Deathtouch Curse of the Walking Pox — Whenever you cast a spell from anywhere other than your hand, return this card from your graveyard to the battlefield tapped.

Exile this card from your hand: Add {R}.

When this creature enters, look at the top X cards of your library, where X is your devotion to blue. Put up to one of them on top of your library and the rest on the bottom of your library in a random order. If X is greater than or equal to the number of cards in your library, you win the game. (Each {U} in the mana costs of permanents you control counts toward your devotion to blue.)

Add {B}{B}{B}.

Target player shuffles up to three target cards from their graveyard into their library. Flashback {G} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Counter target spell. At the beginning of your next upkeep, pay {3}{U}{U}. If you don't, you lose the game.

Choose a nonland card name. Target player reveals their hand and discards all cards with that name. Flashback—Sacrifice a creature. (You may cast this card from your graveyard for its flashback cost. Then exile it.)

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.)

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

Choose a nonland card name. Target player reveals their hand and discards all cards with that name. Flashback—Sacrifice a creature. (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Return target nonland permanent to its owner's hand. Then that permanent's controller may sacrifice a land of their choice. If the player does, they may copy this spell and may choose a new target for that copy.

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

Return target nonland permanent and all other permanents with the same name as that permanent to their owners' hands.