Diregraf Colossus

Vigilance Coven — At the beginning of combat on your turn, if you control three or more creatures with different powers, creatures you control gain indestructible until end of turn.

This land enters tapped. When this land enters, scry 1. (Look at the top card of your library. You may put that card on the bottom.) T: Add G or W.

Creatures with power less than this creature's power can't block creatures you control. Whenever another creature you control enters, put a +1/+1 counter on this creature.

Whenever this creature attacks, each other creature you control gets +X/+X until end of turn, where X is this creature's power.

T: Add one mana of any color that a land an opponent controls could produce.

1, T: Add UB.

This creature enters with X +1/+1 counters on it, where X is the number of other creatures on the battlefield. 2W, Remove a +1/+1 counter from this creature: Create a 1/1 white Spirit creature token with flying.

First strike When this creature enters, if an opponent controls more lands than you, you may search your library for a Plains card, put it onto the battlefield, then shuffle.