Goblin Whacking Rampart

Defender (This creature can't attack.)
If more than one creature with power 2 or less is attacking you this turn, you may cast Goblin Whacking Rampart as though it had flash.
When Goblin Whacking Rampart enters the battlefield, it deals 2 damage to target creature.
Goblins just love the sound 'kablooey' makes.