card sleeves holographic Rain – Strictly Sealed Transform your trading cards with Prismatic Defender Holographic Perfect Fits Holographic RFID Blocking Card Holders

Otherwise it would pretty much just be a cost-reducing mechanic

Levelling up uses the stack and can be interacted with by stifle effects

Black Luster Soldier - Super Soldier X EARTH Level 8 [ WarriorRitualEffect ] ATK 3000 DEF 2500 You can Ritual Summon this card with "Super Soldier Ritual"

The card even allows you to reduce the cost of this ability, which isn't that necessary, when you're looking for a way to defend yourself

Item Cards You can play as many item cards as you want

$40.00 Rare card art from Magic: The Gathering, Battle for Baldurs Gate, featuring the descent of the city of Elturel into Avernus as described in the D&D book Baldurs Gate: Descent into Avernus