0x13b2f6928d7204328b0e8e4bcd0379aa06ea21fa
Aave AMM WBTC isn't on the curated arena yet, but anyone can pick it as one of their five each round.
https://ape.talkabout.today/t/0x13b2f6928d7204328b0e8e4bcd0379aa06ea21fa