His DJ analogy is all about playing the hits first - the classic Disney films everyone knows and loves - so that eventually he can give us the weird, random, underground stuff too
Cards that give you benefits for playing big creatures are good options
Ken, Burning Brawler Sleeve
This can be used for attack or defense: either proliferate +1/+1 counters to make his allies stronger, or proliferate a poison counter to damage an enemy further
Only a single Stadium card can be active at any one time, with the current Stadium replaced when another card is played - it must have a different name to the current Stadium, too
Mega Zygarde ex (120/088) is a Colorful Explosion Pokemon TCG Marketplace ME03: Perfect Order During your opponent's next turn, this Pokmon takes 30 less damage from attacks (after applying Weakness and Resistance)