But his sacrifice ability is where the flavor really shines
whatever it is that makes cards cost more or less money, after accounting for "card rarity")
Emerald Dragon is a great example of how to give card advantage without drawing cards, though Id argue that white deserves it more and has the more playable version in Crystal Dragon
I can perfectly imagine that decks will adapt their builds so that they are hurt less in case a bad mill from PokStop happens, but I totally see this card as a must-have for strategies like Mad Party, Zoroark Toolbox and maybe turbo decks
Greninja has always been one of the most popular Pokmon among anime fans, and if Wonder Voyage leans into the Kalos connections that Chaos Rising is built around, you could see crossover demand
You can still run other themes in your deck, but having a couple of Mutate 3/4 CMC cards in your deck gives you the ability to build your own bomb to either win the game or put out a creature to stop your opponent