It works the best in control decks that react to their opponents
For example, Bedlam Reveler will cost RR to cast if you have seven instant and sorcery cards in your graveyard while you control Geist-Fueled Scarecrow
- Walking in Burano, Wander: The Cult of Barnacle Bay, War Room, Waste Knights: Second Edition, West of Africa, Wildlands, Wildlife Adventure, Wings of War, Word Slam, Wordsy, etc
These are from my gold star charizard
CGC slabs also offer superb long-term protection ideal for WotC-era holo errors prone to surface sensitivity
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