Mattis, Chaos Incarnate

+1: You draw a card and you lose 1 life, then flip a coin. If you lose the flip, sacrifice a land you control.
-X: Put X 1/1 red, white, and black Marine tokens on the battlefield. Those creatures gain haste and indestructible until end of turn.
-8: You get an emblem with "Whenever a Marine you control dies, each opponent sacrifices a creature."