The format consists of players using 100-card decks, with each card (minus basic lands) appearing only once
However, if you're blocking your opponent from getting in significant chunks of damage with your gremlin tokens, cards like Erratic Apparition are incredibly helpful in chipping away at your opponent's life total in the meantime
Given the current state of the Edison format meta, youll want to ensure your side deck has sufficient coverage for decks like Blackwing, Vayu Turbo, and Frogs
With additional extenders the board can also have Hound live in GY, and the highest cap without considering non-engine is to make S:P into W:P into A bao and then use A bao to summon back S:P on turn 1, which you can do with Fraktal + Masquerade for example
Performapal Sellshell Crab X WATER Level 5 [ Aqua / PendulumEffect ] ATK 500 DEF 2500 P Scale 2 Once per turn, when a "Performapal" monster you control is destroyed by battle: You can target 1 "Performapal" or "Odd-Eyes" card in your Pendulum Zone