Slifer the Sky Dragon (Quarter Century Secret Rare)

Slifer the Sky Dragon (Quarter Century Secret Rare) came out in April 2025; we leave the first weeks out of this story, because early prices are set before real supply exists. Across the past year it went +102%, with a low of $21.54 and a high of $43.63; today it sits near the top of that range. Listings currently start at $41.02; over the last 30 days the market price averaged $43.48.

Requires 3 Tributes to Normal Summon (cannot be Normal Set). This card's Normal Summon cannot be negated. When Normal Summoned, cards and effects cannot be activated. Once per turn, during the End Phase, if this card was Special Summoned: Send it to the GY. Gains 1000 ATK/DEF for each card in your hand. If a monster(s) is Normal or Special Summoned to your opponent's field in Attack Position: That monster(s) loses 2000 ATK, then if its ATK has been reduced to 0 as a result, destroy it.