Mirrodin Besieged

Concussive Bolt deals 4 damage to target player or planeswalker. Metalcraft — If you control three or more artifacts, creatures controlled by that...

({T}: Add {U}.)

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...

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

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

({T}: Add {B}.)

(A player with ten or more poison counters loses the game.)

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...

({T}: Add {R}.)

Destroy target noncreature artifact.

Create two 1/1 colorless Myr artifact creature tokens.

({T}: Add {U}.)

({T}: Add {B}.)

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

({T}: Add {W}.)

({T}: Add {R}.)

({T}: Add {G}.)

({T}: Add {W}.)

({T}: Add {B}.)

({T}: Add {W}.)

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

({T}: Add {G}.)

Return up to two target creature cards from your graveyard to your hand.