Base Card Pool
Legendary Monster
Gogiga Gagagigo
Monsters
Worm King
Worm Xex
Worm Yagan
Worm Cartaros
Worm Apocalypse
Flogos, the Ogdoadic Boundless
Zohah, the Ogdoadic Boundless
Keurse, the Ogdoadic Light
Aleirtt, the Ogdoadic Dark
Reptilianne Gardna
Reptilianne Gorgon
Alien Dog
Alien Warrior
Alien Telepath
Alien Grey
Alien Stealthbuster
Cosmic Horror Gangi'el
Spawn Alligator
Poisonous Viper
Extra Deck
Haggard Lizardose
"A" Cell Breeding Device
Embodiment of Apophis
W Nebula Meteorite
Ogdoadic Calling
Ectothermic Cooling
(Once per turn): If a Reptile monster you control is destroyed, you can place it in your Spell & Trap Zone, in the same column as another monster. (Once per turn): If a monster in the same column as a Monster Card in your Spell & Trap Zone that was placed there by "Ectothermic Cooling", but was not placed there this turn, leaves the field you can Special Summon that Monster Card from your Spell & Trap Zone.
Legendary Quest
If you place a Monster Card into the Spell & Trap Zone with "Ectothermic Cooling", you can destroy that card to Special Summon "Gogiga Gagagigo" from your hand.
Legendary Relic
(Once per turn): If a Reptile monster you control would be destroyed, you can destroy 1 Reptile Monster Card in your Spell & Trap Zone of the same column instead. (Once per Duel): If that monster in the Spell/Trap Zone was “Giga Gagagigo” you can Special Summon it from the GY.