should i double sleeve my cards that are already single sleeved? : r/PokemonTCG Double Sleeving worth it? :

Artifact Color tag templates(None) Slagstone Refinery Whenever this artifact or another nontoken artifact you control is put into a graveyard from the battlefield or is put into exile from the battlefield, create a tapped Powerstone token

In addition to those requirements, these Terms & Conditions apply

Due to laws in Japan that regulate gambling, booster boxes contain guaranteed pulls of at least 3 Alternate Art (AR) cards, 1 ACE Spec card, and 1 Super Rare (SR) or higher card

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Artificial Stupidity: Permanent counter cards Mirror Wall and Goblin Fan will be completely ignored by CPU opponents, which frequently leads to them killing themselves, battle effects like Aqua Dragon's field-changing effect tend to be ignored, and the game's A.I

This can upset a lot of strategies that revolve around using the graveyard as a resource