Mirrodin Besieged

Trample

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

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

{T}, Sacrifice a creature: Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

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

Target creature gets +2/+2 until end of turn. Metalcraft — That creature gets +4/+4 until end of turn instead if you control three or more artifacts.

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

Search your library for a green creature card with converted mana cost X or less, put it onto the battlefield, then shuffle your library. Shuffle G...

Destroy all artifacts.

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

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

Gain control of target artifact until end of turn. Untap that artifact. It gains haste until end of turn.

Battle cry (Whenever this creature attacks, each other attacking creature gets +1/+0 until end of turn.) Kuldotha Ringleader attacks each combat if...

Sacrifice Gore Vassal: Put a -1/-1 counter on target creature. Then if that creature's toughness is 1 or greater, regenerate it.

When Kuldotha Flamefiend enters the battlefield, you may sacrifice an artifact. If you do, Kuldotha Flamefiend deals 4 damage divided as you choose...

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

Exile two target artifacts.

Haste Battle cry (Whenever this creature attacks, each other attacking creature gets +1/+0 until end of turn.) Whenever Hero of Oxid Ridge attacks,...

Flying, haste {1}{R}: Hellkite Igniter gets +X/+0 until end of turn, where X is the number of artifacts you control.

Sacrifice an artifact: Gnathosaur gains trample until end of turn.

At the beginning of your upkeep, you may look at the top card of your library. If it's an instant or sorcery card, you may cast it without paying i...

Destroy target noncreature artifact.