Lunatic Cultist

At the beginning of your upkeep, sacrifice a land
or exile Lunatic Cultist. Depending on the type
of land sacrificed, do the following:
- {u}: Creatures you control get +1/-1 until end
of turn.
- {b}: Deal 3 damage to target creature.
- {r}: Put a +1/+1 counter on target creature you control.
- {g}: deal 1 damage to a creature you control, you
gain 1 life.