Mirrodin Besieged

Enchant creature Enchanted creature has infect. (It deals damage to creatures in the form of -1/-1 counters and to players in the form of poison co...

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

Whenever an artifact is put into a graveyard from the battlefield, you may gain 5 life.

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

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

Put a -1/-1 counter on target creature. When that creature dies this turn, its controller gets a poison counter.

Choose one — • Counter target artifact spell. • Return target artifact to its owner's hand.

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

Reach (This creature can block creatures with flying.) Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players...

Destroy target creature, then proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already the...

Counter target spell, then proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

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

Attacking creatures get +1/+0 and gain first strike until end of turn.

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

Destroy target creature with flying. Its controller gets a poison counter.

Target player discards a card, then mills a card.

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

Return up to two target nonland permanents to their owners' hands.

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

Living weapon (When this Equipment enters the battlefield, create a 0/0 black Phyrexian Germ creature token, then attach this to it.) Equipped crea...

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