Sinister Serpent [WC4-E002] Prismatic Secret Rare BT8-022_PR Set: Celebrations: 25th Anniversary Sealed

Set: Celebrations: 25th Anniversary Sealed Release Date: 2021-10-08 Light That Flamethrower—with Lance's Charizard V

Set: Retro Pack 1 Card type: Effect Monster Rarity: Secret Rare Attack: 1500 Defense: 1300 When this monster is destroyed by battle and sent to the Graveyard

Set: Elemental Energy Card type: Effect Monster Rarity: Ultimate Rare Attack: 1800 Defense: 2300 Put 3 counters on this card when you Normal Summon it

Set: Generation Force Card type: Xyz/Effect Monster Rarity: Ultimate Rare Attack: 2000 Defense: 0 2 Level 3 monsters Once per turn: You can detach 1 Xyz Material from this card

Most of them simply split back up into the monsters you used to make them so you can switch your strategy on the fly

Sinister Serpent [WC4-E002] Prismatic Secret Rare BT8-022_PR Set: Celebrations: 25th Anniversary SealedSet: World Championship 2004: GBA Promo Card type: Effect Monster Rarity: Prismatic Secret Rare Attack: 300 Defense: 250 During your Standby Phase, if a "Sinister Serpent" exist in your Graveyard, you can return the "Sinister Serpent" to your hand.