Swarm Shambler

Swarm Shambler

Creature - Fungus Beast (CMC 1)
Swarm Shambler enters the battlefield with a +1/+1 counter on it.
Whenever a creature you control with a +1/+1 counter on it becomes the target of a spell an opponent controls, create a 1/1 green Insect creature token.
, : Put a +1/+1 counter on Swarm Shambler.