Endless Foot Assault (Teenage Mutant Ninja Turtles Eternal 8s) - Surge-Foil - Rare Magic: The Gathering Card

Squad (As an additional cost to cast this spell, you may pay any number of times. When this enchantment enters, create that many tokens that are copies of it.)
Whenever you attack, for each opponent, create a 1/1 black Ninja creature token that's tapped and attacking that player.