Primordial Ooze
{R}
Creature -- Ooze
1/1
~this~ attacks each combat if able.
At the beginning of your upkeep, put a +1/+1 counter on ~this~. Then you may pay {X}, where X is the number of +1/+1 counters on it. If you don't, tap ~this~ and it deals X damage to you.