what is a double sleeved card CLOSABLE INNER SLEEVES Digital Gate Open Article about:

Duel 106 ( Duelist Duel 47): "Another Kind of Courage" a b c Yu-Gi-Oh

The obvious Access Tunnel and Rogue's Passage are here by default

Discard effects can disrupt an opponents plan from out of know where if you force them to discard their biggest threat

You can even use it to shut down attack or block triggers

Usually, if a monster equipped with an Equip Spell Card is destroyed, returned to your hand, shuffled into your Deck, sent to the Graveyard, turned into an Equip Spell Card (by "Relinquished"), flipped face-down, or anything else so that it is no longer a face-up Monster Card on the field, all Equip Spell Cards equipped to it are destroyed