This is the first one Ive ever handled in my life
While the times you shoot the moon and untap fifteen creatures to win the game are going to be few and far between, this is an extremely well-costed creature generation and card-drawing engine
But it gets high marks for being a one-card infinite combo alongside Helm of the Host
Fusion Mew is much more resilient to Spiritomb, and it can attack on turn 1, which can be very strong in the mirror match, as well as against decks with two-Prize Basic Pokmon, like Miraidon
Beware the Superman: A lot of episodes have antagonistic trainers that use their Pokmon for ulterior motives or in some way that threatens innocent bystanders
While almost all the vanishing cards get better in combination with Solemnity (not you, Tidewalker), some really shine