Crimson Dragon [DUNE-EN038] Quarter Century Secret Rare 5th Anniversary Set neither player can activate that

neither player can activate that monster's effects while this monster is face-up on the field

There is zero room for failure

Set: Rise of the Unison Warrior Prerelease Promos Rarity: Rare Game character: Boujack Color: Blue Card type: Extra

When Skyclave Apparition leaves the battlefield

Crimson Dragon [DUNE-EN038] Quarter Century Secret Rare 5th Anniversary Set neither player can activate thatSet: Duelist Nexus Card type: Synchro Effect Monster Rarity: Quarter Century Secret Rare Attack: 0 Defense: 0 1 Tuner + 1+ non Tuner monsters If this card is Special Summoned: You can add 1 Spell Trap that mentions "Crimson Dragon" from your Deck to your hand. (Quick Effect): You can target 1 Level 7 or higher Synchro Monster on the field, except "Crimson Dragon"; return this card to the Extra Deck, and if you do, Special Summon 1 Dragon Synchro