28UqHwN5cAouDxxzpGji1iwNSnPwXbTSDzLJa2Sspump
MATHREX isn't on the curated arena yet, but anyone can pick it as one of their five each round.
https://ape.talkabout.today/t/28UqHwN5cAouDxxzpGji1iwNSnPwXbTSDzLJa2Sspump