Dark Leo & Shredder (Showcase) (Fracture Foil) [Teenage Mutant Ninja Turtles]

Sneak {W}{B}
Attacking Ninjas you control have deathtouch.
Whenever Dark Leo & Shredder deal combat damage to a player, create a 1/1 black Ninja creature token. Then if you control five or more Ninjas, that player loses half their life, rounded up.