La saga d'Urza

Whenever a player casts a spell, that player discards a card.

Sacrifice any number of artifacts, creatures, and/or lands. Draw a card for each permanent sacrificed this way.

Each player puts a creature card from their graveyard onto the battlefield.

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

Whenever a creature enters the battlefield, its controller sacrifices a creature or land.

Exile Ill-Gotten Gains. Each player discards their hand, then returns up to three cards from their graveyard to their hand.

{B}{B}, {T}: Destroy target green creature.

Choose a color. Target player reveals their hand and discards all cards of that color.

Add {B}{B}{B}.

When Priest of Gix enters the battlefield, add {B}{B}{B}.

Whenever another card is put into a graveyard from anywhere, exile that card.

Vebulid enters the battlefield with a +1/+1 counter on it. At the beginning of your upkeep, you may put a +1/+1 counter on Vebulid. When Vebulid at...

Sacrifice No Rest for the Wicked: Return to your hand all creature cards in your graveyard that were put there from the battlefield this turn.

Corrupt deals damage to any target equal to the number of Swamps you control. You gain life equal to the damage dealt this way.

Until end of turn, you may play cards from your graveyard. If a card would be put into your graveyard from anywhere this turn, exile that card inst...

At the beginning of the end step, if no creatures are on the battlefield, sacrifice Pestilence. {B}: Pestilence deals 1 damage to each creature and...

Flying Discard a card: Add {B}.

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

Until end of turn, lands you control gain "Sacrifice this land: Add {B}."

When Sleeper Agent enters the battlefield, target opponent gains control of it. At the beginning of your upkeep, Sleeper Agent deals 2 damage to you.

At the beginning of your upkeep, sacrifice Contamination unless you sacrifice a creature. If a land is tapped for mana, it produces {B} instead of ...

Whenever Flesh Reaver deals damage to a creature or opponent, Flesh Reaver deals that much damage to you.

{B}{B}, {T}: Destroy target white creature.

Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.) {T}: Add {B}{B}{B}{B}. Target opponent gains control of Wi...