Base Card Pool
Legendary Monster
LaLa Li-oon
Monsters
Thunder Dragonmatrix
Batteryman Micro-Cell
Wattdragonfly
Mithra the Thunder Vassal
Rai-Mei
Batteryman AA
Wattmole
Mahunder
Pahunder
Brohunder
Sishunder
Evilswarm Thunderbird
Batteryman 9-Volt
Thunder Sea Horse
Rai-Jin
Zaborg the Thunder Monarch
Thunder Dragon
Mist Valley Executor
Sanga of the Thunder
The Creator
Extra Deck Monsters
Twin-Headed Thunder Dragon
Kaminari Attack
Polymerization
Electro-Whip
Dark World Lightning
Ready Fusion
El Thor
(Once per turn): If you Summon a Thunder monster, you can banish 1 monster you control and any monsters in the same column as it until the End Phase. (Once per turn): If your Thunder monster is banished, you can immediately Normal Summon 1 Thunder monster from your hand.
Legendary Quest
If you banish an opponent's monster, you can Special Summon 1 "Thunder Kid" from your hand or banishment.
Legendary Relic
(Once per turn): If a "Thunder Kid" you control is banished, you can banish 1 Thunder monster from your Deck. Add it to your hand during your next Draw Phase.
Tip Skills
Your monsters banished by your Unique Skill are also only banished until your opponent's Draw Phase.
Your non-Thunder monsters in your possession are also always treated as Thunder monsters. (Once per turn): You can banish 1 card in your hand; add 1 Thunder monster with the same Level but a different name from your GY to your hand and draw 1 card.