Spikeweed

Enchant enemy creature, enchanted creature becomes tapped and gains 1 stun counter.

I: Deal 1 damage to enchanted creature and put 1 stun counter on it

II: Deal 1 damage to enchanted creature and put 1 stun counter on it

III: Deal 1 damage to enchanted creature and put 1 stun counter on it, then destroy this enchantment