Mirrodin Besieged

Psychosis Crawler's power and toughness are each equal to the number of cards in your hand. Whenever you draw a card, each opponent loses 1 life.

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.

Flying Whenever you cast an artifact spell, you may untap target creature.

Look at the top seven cards of your library. You may put one of those cards onto the battlefield if it has the same name as a permanent. Put the re...

Psychosis Crawler's power and toughness are each equal to the number of cards in your hand. Whenever you draw a card, each opponent loses 1 life.

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

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

At the beginning of your upkeep, you may have Cryptoplasm become a copy of another target creature, except it has this ability.

Target creature gets +1/+1 and gains trample until end of turn.

When Oculus dies, you may draw a card.

({T}: Add {U}.)

Flash You may cast artifact spells as though they had flash.

{T}: Attach target Equipment you control to target creature you control.

Creatures your opponents control get -2/-0 until end of turn.

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

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

Trample

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.

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...

Exile two target artifacts.