pokemon arceus trainer card Legends: Cards Are Coming Item Rarity Beginning Door - 037/DPt-P -

Look for cards that can repeatedly untap themselves and/or sacrifice things for free like Blasting Station and Ashnod's Altar to establish combos, since free or close to free is important for many loops

A Black Label means a perfect 10

The roar of a gamma-enhanced scientist

There are a lot of obvious all-stars for this format that are similar to ones in the standard format, like the original dual lands, Sol Ring, City of Brass, Mana Crypt, Lightning Bolt, Counterspell, Swords to Plowshares, Regrowth, Demonic Tutor, Wheel of Fortune, Sylvan Library, Land Tax, Strip Mine and loads more good stuff

Prices for these fluctuate heavily depending on recent sales

I've always been partial to Chainer, Nightmare Adept as a commander, and I think this could be a great card there