mtg umbris fear manifest commander deck Umbris, (Confetti Foil) [Secret Lair Drop Series] target opponent exiles cards from the top of their library until they exile a land card. Umbris, Fear Manifest Commander Deck

Because you get the trigger both on enter and attacks, it is an ideal fit with Goryos Vengeance, allowing you to get some massive card advantage

Alela, Cunning Conqueror Dimir faerie decks have access to plenty of instants and flash cards that you can use to generate a lot of tokens with Alela, Cunning Conqueror

6 Shalai, Voice Of Plenty Shalai, Voice of Plenty is quite possibly one of the best ways to reliably protect your board from your opponent's targeted removal spells

Also, since this is a Commander-only card, it gives us no indication as to whether or not adventures will be a main set mechanic

A few notable cards it pairs with for 2-card infinite combos include: #40

The other big loss the deck suffered in the bans was This Town Aint Big Enough