Expanding Ooze

BG: Adapt 1. (If this creature has no +1/+1 counters on it, put a +1/+1 counter on it.) Whenever Expanding Ooze attacks, put a +1/+1 counter on target modified creature you control. (Equipment, Auras you control, and counters are modifications.)

"It eats the royal garbage. Of course it's growing!" —Prince Bolbuss