Batteryman

Batteryman 2-Pack
Thunder/LIGHT/Link 2/ATK 2000 Arrows: DL, DR
2 Thunder monsters
If a "Batteryman" monster(s) is Normal or Special Summoned to a zone this card points to: You can have this card's name become the name of 1 of those monsters, and if you do, Special Summon 1 "Batteryman" monster with the same name from your hand, Deck or GY. If this card is destroyed by battle or card effect: You can target 2 "Batteryman" monsters with different names in your GY, except "Batteryman 2-Pack"; add them to your hand. You can only use each effect of "Batteryman 2-Pack" once per turn.

Batteryman Voltech Dragon
Thunder-Type/LIGHT/Level 5/ATK 2400/DEF 1000
You can Normal Summon this card without Tributing. If this card is Normal Summoned without Tributing its ATK becomes 1800. You can Tribute any number of "Batteryman" monsters you control to Tribute Summon (but not Set) this card. If Summoned this way: Target cards your opponent controls equal to the number of Tributed monsters; send them to the GY, and if you do, this card gains 1000 ATK for each sent card.

Battery Production Line
Quick-Play Spell
Target 1 Level 3 or lower "Batteryman" monster you control; Special Summon up to 2 monsters with the same name from your hand or Deck in face-up Attack Position or face-down Defense Position. You cannot Special Summon monsters the turn you activate this card, except "Batteryman" monsters.

Battery Recycling Plant
Field Spell
If a "Batteryman" monster(s) is added from your GY to your hand: You can Special Summon that monster(s).