Magmasaur
{3}{R}{R}
Creature -- Elemental Dinosaur
0/0
~this~ enters with five +1/+1 counters on it.
At the beginning of your upkeep, you may remove a +1/+1 counter from ~this~. If you don't, sacrifice ~this~ and it deals damage equal to the number of +1/+1 counters on it to each creature without flying and each player.