Once per turn, during your Main Phase: You can reveal 1 "Purrely" Quick-Play Spell in your hand, Special Summon 1 Xyz Monster from your Extra Deck that mentions that card, by using this card you control as material, and attach the revealed card to the Summoned monster
So, even if you never transform this, it is pretty nice, since it lets you loot for free every turn
Meanwhile, I covered why Menace is good in Casual Commander right now here
Enter the arena with an army of new Gladiator Beasts that you could only dream of, including a brand-new Fusion that can negate monster effects
It exiles itself with two scream counters, then brings back all creatures from all graveyards after two turns
An interesting card that either allows you to draw two cards (BILL!) or both players set up their bench with basic Pokmon from their deck (Pichu HS)