Endless Foot Assault [8] [Teenage Mutant Ninja Turtles Eternal] [Surge Foil]

Squad {1}{W} (As an additional cost to cast this spell, you may pay {1}{W} 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.