FAQ:
Q: List of allowed creatures?
A:
Hover over cards for details, click for permalink
4vh 4vq 500 52t 52u 534 55l 55o 55r 560 568 596 59c 5bv 5c8 5cg 5fc 5fe 5fk 5ie 5ii 5io 5ll 5ls 5oj 5p0 5rq 5rs 5rt 5ru 5s4 5um 5uv 5v0 5v8 625 62c 8pu
(Blank card is Psion)
Q: Otyugh and Rustler, waitwhat?
A: Their upgraded versions have new art, so they're allowed.
Q: What if my deck doesn't include a banned card, but it can generate a banned card (e.g. Firefly Queen, Blue Nymph, Boneyard)?
A: That's fine. The bans concern cards specifically being in your deck.