Mirrodin Besieged

Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)

Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.) Lifelink (Damage deal...

As Phyrexian Revoker enters the battlefield, choose a nonland card name. Activated abilities of sources with the chosen name can't be activated.

Flying Whenever a creature an opponent controls dies, you may gain 3 life. Whenever an opponent discards a card, you may gain 3 life.

Trample

{2}{B}: Dross Ripper gets +1/+1 until end of turn.

Metalcraft — Ardent Recruit gets +2/+2 as long as you control three or more artifacts.

When Myr Sire dies, create a 1/1 colorless Myr artifact creature token.

When Viridian Emissary dies, you may search your library for a basic land card, put it onto the battlefield tapped, then shuffle your library.

Flying Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)

Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.) Phyrexian Juggernaut ...

Flying When Serum Raker dies, each player discards a card.

Flying When Serum Raker dies, each player discards a card.

Whenever a source deals damage to Nested Ghoul, create a 2/2 black Phyrexian Zombie creature token.

When Pierce Strider enters the battlefield, target opponent loses 3 life.

{U}: Gust-Skimmer gains flying until end of turn.

{W}: Bladed Sentinel gains vigilance until end of turn.

Vigilance Kemba's Legion can block an additional creature each combat for each Equipment attached to Kemba's Legion.

Melira's Keepers can't have counters put on it.

Metalcraft — Spiraling Duelist has double strike as long as you control three or more artifacts.