If Ancient Gear Reactor Dragon gets a summon cut-in animation then Chaos Ancient Gear Giant should get one too. CAGG feels like more of the boss monster of the deck to me.
Im a big fan of ancient gears, and some people here are too, and this, this is the LAST ancient gear support i am expecting (if we ever get it) These cards
Pojo's Yu-Gi-Oh! Card of the Day
Ancient Gear Engineer - Yugipedia - Yu-Gi-Oh! wiki
Ancient Gear Support (Feel free to debate - Casual Cards - Yugioh Card Maker Forum