Yes, Nine Lives is a key card in 2 combo(s) in our combo database, linked from the Combos section of this page.
I mentioned that this is the one arena that changes permanently, so if you didn't complete it when Garurumon was the final opponent, well now you can't get 100% story completion, because defeating Mimi causes MetalGarurumon to appear at the arena instead, locking you out of the previous one
He has vigilance to swing and hold the fort, and that's great in multiplayer since someone is always open
Cyberse Reminder Type XYZ Monster Attribute LIGHT Typing Cyberse Level/Rank 3 ATK 1800 DEF 800 Typings Xyz / Effect TCG Date 2019-05-02 OCG Date 2019-01-12 Card Text 2 Level 3 monsters You can detach 1 material from this card, then target 1 "Cynet" Spell/Trap in your GY
Fancy sleeving this up and trying it
When this card is Special Summoned: Special Summon 1 Level 8 or below "Sin" monster from your Deck or GY