mtg adventure commander deck Magic the Gathering Lost Caverns of Ixalan Explorers of the Deep Precon never fear—Ashling can copy them! The Complete Commander's Guide to

Blue has a pretty stacked uncommon slot, but Spectral Sailor gets my vote

Emet-Selch, one of the greatest antagonists in video game history, makes his grand appearance, and he looks magnificent in Amaurot

Since that Game Knights episode, Shadowborn Apostle has seen reasonable demand as you can run so many copies of Shadowborn Apostle in any deck, where Wizards chose the card as one of the many variants you can open in a variety of Secret Lairs as the bonus card

Of course, having access to reliable discard engines is a must (for there would be better four-mana clones otherwise)

If an opponent has just one card in hand, that player discards just one card