should you double sleeve magic cards How to Properly Your Magic: The Gathering What double sleeve method for

It uses the stack and can be countered by effects that interact with triggered abilities, such as that of Nimble Obstructionist

UR Ultra Rare Gora Turtle of Illusion X WATER Level 4 [ AquaEffect ] ATK 1200 DEF 1400 Negate the effect of Spell and Trap Cards controlled by your opponent that target this face-up card on the field

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Carmen, Cruel Skymarcher Carmen, Cruel Skymarcher exploits players sacrificing creatures by becoming a massive threat that generates lots of grindy value over the course of a game