La saga d'Urza

Polluted Mire enters the battlefield tapped. {T}: Add {B}. Cycling {2} ({2}, Discard this card: Draw a card.)

As Phyrexian Processor enters the battlefield, pay any amount of life. {4}, {T}: Create an X/X black Minion creature token, where X is the life pai...

{X}, {T}: Tap X target lands.

At the beginning of each player's upkeep, that player returns a permanent they control to its owner's hand unless they pay 2 life.

Whenever a creature dies, if another creature is on the battlefield, return the first card to the battlefield under its owner's control at the begi...

{T}: Add {C}. {2}{R}, {T}: Shivan Gorge deals 1 damage to each opponent.

Drifting Meadow enters the battlefield tapped. {T}: Add {W}. Cycling {2} ({2}, Discard this card: Draw a card.)

Slippery Karst enters the battlefield tapped. {T}: Add {G}. Cycling {2} ({2}, Discard this card: Draw a card.)

At the beginning of your upkeep, you may put a page counter on Barrin's Codex. {4}, {T}, Sacrifice Barrin's Codex: Draw X cards, where X is the num...

{X}: Chimeric Staff becomes an X/X Construct artifact creature until end of turn.

At the beginning of your upkeep, Purging Scythe deals 2 damage to the creature with the least toughness. If two or more creatures are tied for leas...

If a source would deal damage to you, prevent 1 of that damage.

{3}, {T}: Put a +1/+1 counter on target creature.

{T}: Add {U} for each artifact you control.

{T}: Add {G} for each creature you control.

Phyrexian Colossus doesn't untap during your untap step. Pay 8 life: Untap Phyrexian Colossus. Phyrexian Colossus can't be blocked except by three ...

At the beginning of your draw step, draw an additional card. At the beginning of your end step, discard your hand.

{4}, Sacrifice Copper Gnomes: You may put an artifact card from your hand onto the battlefield.

{T}: Add {C}. {T}, Sacrifice a creature: Add {B}{B}.

At the beginning of your upkeep, you may add {C}{C}. You can't spend this mana to cast spells.

At the beginning of your upkeep, you may put a petal counter on Lotus Blossom. {T}, Sacrifice Lotus Blossom: Add X mana of any one color, where X i...

({T}: Add {U}.)

{1}, {T}: Untap target artifact.

At the beginning of each player's upkeep, return to its owner's hand each creature that player controls with power greater than the number of cards...