pokemon booster box pre order Mega Dream EX Secret Powers Awakening Pokemon Mega Evolution - ME05

We have here a deck called TOON Lockdown

Apart from mutate cards to trigger that ability, I guess you could use Stuffy Doll and Brash Taunter, or fill your deck with cards that grant abilities to your commander like backgrounds and the legendary familiars (Kediss, Falthis, et al)

On top of that, you have to endure the opponent's turn for 1 turn, and there's also the danger of being removed during that time, so it's quite difficult to handle

Number 107: Galaxy-Eyes Tachyon Dragon LIGHT 8 [ Dragon / Xyz / Effect ] 2 Level 8 monsters Once per Battle Phase, at the start of your Battle Phase: You can detach 1 material from this card