Ant-Man, Colony Commander (#201)

Type: Legendary Creature — Human Rogue Hero

Text: Whenever Ant-Man attacks, you may pay {1}. When you do, put a +1/+1 counter on target creature.
Whenever you put a +1/+1 counter on a creature, create a 1/1 green Insect creature token. This ability triggers only once each turn.

Set: Marvel Super Heroes (#201)