Eruption Elemental

Trample
Erupt 4 (At the beginning of your upkeep, put a
+1/+1 counter on this creature. At the beginning of
your end step, if this creature has four or more +1/+1 counters on it, sacrifice it.)
When Eruption Elemental dies, It deals X damage
to each creature without flying and each player. X
is equal to number of +1/+1 counters on it.