MTGs Lead Designer Mark Rosewater said that they were looking for a mechanic that made you accumulate resources to solve a particular case or mystery
However, this isnt a problem when you use them for extra deck summons
The expansion symbol is an artist's rendition of a "morphed" creature (see Mechanics below)
Youre starting to cook with lots of gas if you throw this in a superfriends Commander deck that can activate it twice
April O'Neil, Kunoichi Trainee Blade-Blizzard Kitsune Dark Leo & Shredder Don & Leo, Problem Solvers Foot Elite Foot Ninjas Heroes in a Half Shell Jennika, Bad Apple Big Sister Karai, Future of the Foot Koya, Death from Above Leonardo, Big Brother Leonardo, Cutting Edge Leonardo, Leader in Blue Leonardo, Sewer Samurai Leonardo, Worldly Warrior Leonardo, the Balance Lita, Little Orphan Amphibian Mechanized Ninja Cavalry Mikey & Leo, Chaos & Order Prehistoric Pet Raph & Leo, Sibling Rivals Splinter & Leo, Father & Son Splinter, Aging Champion Splinter, Radical Rat Turncoat Kunoichi