Aggressive Montrosaur

First strike, haste, reach, trample
When Aggressive Montrosaur enters the
battlefield it does 5 damage to any target then proliferate.
{1}{r/g}{r}{g}: each opponent loses 4 life, put three
+1+1 counters on target creature.
{1}{r}{g}: create a 3/3 green dinosaur creature
token with trample.
{g}{g}{g}: put two +1+1 counters on target creature.
{r}{r}{r}: each opponent loses 4 life.