Bellowing Babird

Flying, trample, lifelink
whenever one or more +1/+1 counters are put on Bellowing Babird, creatures you control get
+1/+1 and lifelink until end of turn.
{w},{t}: put a +1/+1 counter on bellowing babird
{g},{t}: gain two life
{b},{t}: put a -1/-1 counter on target creature