graded card guard psa GradedGuard Slab Protector Case, Standard PSA Size, Impact Resistant TPU Holder, Drop & Scratch Proof Frame for Sports TCG Collectible Trading Cards. (Red) : Toys & Games the perfect companion for your collection GradedGuard PSA Graded Card Case

#Team5ds If you purchase two or more items at once, we will give you a further discount

So they do seem to differentiate between marked and altered cards, with the latter basically matching your definition of altered cards

The other, Expanded , is less common in high-level Western tournaments in recent years

Note: This can only be done once

The Deck's Spell/Trap support provide more consistency and utility: the "LiveTwin" Spells, plus the Spell Card "Secret Password", provide additional consistency and protection, while the "EvilTwin" Traps provide additional disruption

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