Gemini Booster

Edison Card Text
Equip this card to a Gemini monster you control as an Equip Card. It gains 700 ATK. When this card is destroyed while equipped and sent to the GY, select 1 face-up Gemini monster and treat it as an Effect Monster.
No targeting
No Damage Step effect
Banlist • Unlimited
Interactions
Is Gemini Booster treated as an Equip Card once it equips a monster?!
Gemini Booster's effect equips it to a monster.
Yes. Once equipped, it is treated as an Equip Card, which lets it interact with effects that reference Equip Cards.
Rulings
edisonformat.net
●Both effects of this card target 1 face-up Gemini monster you control.
●The effect to treat a Gemini monster as an Effect Monster activates even if all Gemini monsters you control are being treated as Effect Monsters.
●The effect to treat a Gemini monster as an Effect Monster activates even if “Gemini Booster” is destroyed because the monster it was equipped to is destroyed by battle.
●You can activate “Gemini Booster” during the Damage Step.
●The effect to treat a Gemini monster as an Effect Monster starts a Chain.
edisonformat.com
Both effects of this card target 1 face-up Gemini monster you control.
The effect to treat a Gemini monster as an Effect Monster activates even if all Gemini monsters you control are being treated as Effect Monsters.
The effect to treat a Gemini monster as an Effect Monster activates even if “Gemini Booster” is destroyed because the monster it was equipped to is destroyed by battle.
You can activate “Gemini Booster” during the Damage Step.
The effect to treat a Gemini monster as an Effect Monster starts a Chain.