The Countdown Is at One [Unstable] SWSH147 you can Special Summon this

you can Special Summon this card (from your hand) in face-up Attack Position

If you controlled a Level 5 or higher "Harpie" monster when you activated this effect

Set: Ancient Prophecy: Special Edition Card type: Normal Spell Rarity: Super Rare Attack: 0 Defense: 0 Discard 1 "Lightsworn" monster

If this Xyz Summoned card you control is sent to your GY by an opponent's card: You can Special Summon 1 "Summoned Skull" from your hand

Special Summon 1 of the Fusion Materials whose name is specifically listed on that card from your GY in face-down Defense Position

The Countdown Is at One [Unstable] SWSH147 you can Special Summon thisSet: Unstable Type: Sorcery Rarity: Rare Cost: {3}{R}{R} Players play a Magic subgame, starting at 1 life and using their libraries as their decks. For the rest of the main game, if a source would deal damage to a player who didn't win the subgame, it deals double that damage to that player instead.