2sidYdyYWwFpRCdBRi3qRZKNnzCcS7NPdAzCFAzJPR5n
Book of GCR isn't on the curated arena yet, but anyone can pick it as one of their five each round.
https://ape.talkabout.today/t/2sidYdyYWwFpRCdBRi3qRZKNnzCcS7NPdAzCFAzJPR5n