Nissa, Beast Warden

+2: Create a 3/3 green beast creature token with trample. You gain 2 life.
-3: Target Creature you control gets +2/+2 until end of turn. You gain 4 life.
-10: Create an emblem with "Whenever you gain life put X 3/3 green beats creature tokens with trample, where X is however many life you gained.