Gwyn, Sky Lord

+1: Gain control of target creature for as long as its mana value is less than total fairy creatures you control.
-2: Each opponent sacrifices a creature. If they can't, they lose 1 life and you create a 1/1 black fairy creature token with flying.
-7: You get an emblem with "Whenever an opponent loses life for the first time each turn, draw a card."