jumbo card sleeves L Oversized (50) Jumbo L Oversized Card Sleeves

The other possibility is playing Invasion of Regatha in a dedicated burn deck since the backside seems pretty powerful with Play with Fire, Lightning Strike, and friends as a weird twist on Torbran, Thane of Red Fell, although I'm not sure a burn deck wants to use multiple burn spells or attacks to remove the five defense counters to defeat the battle

(You may put a -1/-1 counter on a creature you control.) Destroy target creature with mana value 2 or less

I understand the role Mistform Ultimus has played since its arrival

With her, you can recycle your Ritual Spells and give your monsters a significant ATK boost

If this card is Special Summoned: You can Special Summon 1 "Super Quantal Mech Beast" Xyz Monster from your Extra Deck using this card you control as material (this is treated as an Xyz Summon), and if you do, attach 1 "Super Quant" monster from your GY to it