Dominion Alliance

Creatures you control are Dominion in addition to their other types.
At the beginning of your upkeep, put a 4/4 Black Dominion Warrior creature token with into play under your control,
then lose 1 life for each creature you control.
Pay 1 life: Target creature gets -1/-1 until end of turn.
Whenever a creature is put into an opponents graveyard from play, you gain 1 life.