The Nameless One

+2: Until the beginning of your next turn, creatures you control gain "Tap an untapped creature you control: Add one mana of any color."
-3: Creatures you control gain Flying, Vigilance, Lifelink, and Haste until end of turn
-8: You get an emblem with "Whenever a creature dies you may draw a card, then have target opponent lose life equal to the creature's power."