Satoru gives all the creatures in your hand a ninjutsu ability, and once per turn, when one of those quasi-Ninjas drops in, you can do a little deck fixing
The full set contains more than the 151 though, with 165 standard cards and 42 secret cards (there are three extra secret cards, but the Snorlax art rare has been reserved for the Elite Trainer Box (ETB) and the Mew ex and Mewtoo secret art rares have been reserved for the Premium Box collection, much to the chagrin of some) making a substantial 210 cards not quite up to Obsidian Flames 230 cards but more than twice the size of last years holiday set, Pokemon Go
His Strength and Willpower along make him a viable character to play.
Scar, Vengeful Lion Enchanted Rare ($107) A 4 Ink cost, Emerald type character, Scar, Vengeful Lions Enchanted Rare variant features a gorgeously green hued illustration of the power hungry big cat
That's where Dragon Cultist comes in
Jizukiru, the Star Destroying Kaiju is a potential candidate to sit on an opposing monster before the Fusion Summon