Regeneration [Beta Edition] BW40 you can Special Summon 2

you can Special Summon 2 "Hydrogeddon"s and 1 "Oxygeddon" from your Graveyard

Set: Black & White: Plasma Freeze Type: Grass Rarity: Promo Retreat cost: Colorless

Set: Platinum: Supreme Victors Type: Colorless Rarity: Rare

return it to its owner's hand at the beginning of the next end step

Set: R Manga Promo Card type: Effect Monster Rarity: Ultra Rare Attack: 2400 Defense: 2000 If your opponent controls 2 or more face-up monsters of the same Attribute

Regeneration [Beta Edition] BW40 you can Special Summon 2Set: Beta Edition Type: Enchantment Aura Rarity: Common Cost: {1}{G} Enchant creature (Target a creature as you cast this. This card enters the battlefield attached to that creature.) {G}: Regenerate enchanted creature. (The next time that creature would be destroyed this turn, it isn't. Instead tap it, remove all damage from it, and remove it from combat.)