Ezek, Experimmental Chemist

This creature gets a +1/+1 counter for each creature you control with a +1/+1 counter on it.
When this creature enters the battlefield, flip a coin. If its heads, all creatures with +1/+1 counters gain flying. If its tails, all creatures with +1/+1 counters gain trample.
{g/u}{t}: Flip a coin: If its heads, target creature gets two +1/+1 counter. If its tails, target creature you control gets a -2/-2 counter.