Tokka & Rahzar, Terrible Twos (#171)

Type: Legendary Creature — Turtle Wolf Mutant

Text: This spell can't be countered.
Menace
Whenever a player casts a spell, if the amount of mana spent to cast it was less than its mana value, Tokka & Rahzar deal 3 damage to that player.

"Master say have fun . . ."

Set: Teenage Mutant Ninja Turtles (#171)