Yirah, Conclave's Might

+2: Put a +1/+1 counter on target creature. That creature gains lifelink until end of turn.
-1: You gain 2 life. Deal damage to any target equal to the amount of life you gained this turn.
-6: Target creature gains +X/+X until end of turn, where X is your life total. It gains first strike until end of turn.