The Hydra Apex

Trample
The Hydra Apex enters the battlefield with X
+1/+1 counters on it.
When The Hydra Apex enters the battlefield
or attacks, you may put a +1/+1 counter on
The Hydra Apex. If you do, The Hydra Apex
deals damage equal to its power to
target creature and/or target planeswalker.