To date, Arena of the Ancients has only been printed twice, firstly in 1994s Legends, then in 1995s Chronicles
The token created by the second ability will be a copy of whatever card is exiled with Mimic Vat at the time the ability resolves
This set includes 1 White-Blue deck of 100 Magic cardswith 1 foil-etched, alternate-art legendary commander card and 99 nonfoil cards, including Lands10 two-sided tokens, a deck box, and punchout counters
This makes Westvale Abbey only usable in decks with black as part of their color identity
Role tokens are excellent fits, as are qualifying creature tokens that are commonly made with Psemilla, Meletian Poet, Daxos the Returned, and Go-Shintai of Life's Origin
Urza, Lord High Artificer is delisted