Urza's Legacy

Anthroplasm enters the battlefield with two +1/+1 counters on it. {X}, {T}: Remove all +1/+1 counters from Anthroplasm and put X +1/+1 counters on it.

If Viashino Bey attacks, all creatures you control attack if able.

{T}, Sacrifice Phyrexian Denouncer: Target creature gets -1/-1 until end of turn.

{T}: Target creature gains forestwalk until end of turn. (It can't be blocked as long as defending player controls a Forest.)

Echo {2}{R} (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay ...

Haste At the beginning of the end step, return Viashino Cutthroat to its owner's hand.

Haste (This creature can attack and {T} as soon as it comes under your control.) At the beginning of the end step, return Viashino Sandscout to its...

Protection from blue Cycling {2} ({2}, Discard this card: Draw a card.)

Protection from black Cycling {2} ({2}, Discard this card: Draw a card.)

{T}, Sacrifice Ghitu Fire-Eater: It deals damage equal to its power to any target.

Whenever Goblin Medics becomes tapped, it deals 1 damage to any target.

{T}, Sacrifice Expendable Troops: It deals 2 damage to target attacking or blocking creature.

{1}{R}{R}: Put a +1/+1 counter on Molten Hydra. {T}, Remove all +1/+1 counters from Molten Hydra: It deals damage to any target equal to the number...

Pygmy Pyrosaur can't block. {R}: Pygmy Pyrosaur gets +1/+0 until end of turn.

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

When Rank and File enters the battlefield, green creatures get -1/-1 until end of turn.

Flying Whenever Tethered Skirge becomes the target of a spell or ability, you lose 1 life.

Flash Protection from white

Flying {B}: Regenerate Fog of Gnats.

{1}, Sacrifice a creature: Put a +1/+1 counter on Phyrexian Broodlings.

Flying {T}, Sacrifice Phyrexian Debaser: Target creature gets -2/-2 until end of turn.

{T}: Destroy target Aura attached to a creature.

{T}, Sacrifice Phyrexian Defiler: Target creature gets -3/-3 until end of turn.