Although the ninjutsu ability has the creature enter the battlefield attacking, it was never declared as an attacking creature (for the purposes of abilities that trigger whenever a creature attacks, for example)
Two cards in particular will send shivers down longtime TMNT fans' spines, however
Which leads me to my next point
Solgaleo 159 Tapu Bulu Grass 120 Stuck-In Tackle (100) Flip a coin
Now, to be clear, I mean the non holos for english, and when it comes to the holos, it has to be japanese
While less able to deliver powerhouse hits than some archetypes, this list really spreads the damage around, with lots of ways to apply it such as Froslass combined with Munkidori