Cards playable at launch: Sword & Shield: Everything released Sun & Moon: Lost Thunder, Team Up, Detective Pikachu, Unbroken Bonds, Unified Minds, Hidden Fates, Cosmic Eclipse Card not playable at launch, but still transferrable: Sun & Moon: Base Set, Guardians Rising, Burning Shadows, Shining Legends, Crimson Invasion, Ultra Prism, Forbidden Light, Celestial Storm, Dragon Majesty XY: Everything Released Black & White: Everything Released Accessories: Many coins, card sleeves, and deck boxes are transferrable, with a maximum of one copy per item
If things get really out of hand, Kindred Dominance gives you a one-sided reset that destroys everything that isnt a spider
Again, these payoffs are mostly modest flashback spells or late-game engines which require additional mana investment like Ultimecia
LCI, combined with two reprints this past year
The swirling, collected energy behind it adds to the sense of power that Radiant Gardevoir has