Lighting & glare : Many scanners struggle under weak light or glare from foils
If your opponent drops a Mewtwo right into the match from the get-go, using Primal Wingbeat will knock them off the board and potentially out of the whole match
While I like the variety omen present, being able to get two uses out of your cards (instead of the one omen provides) is where the true value of adventure shines

Chainer, Dementia Master Workshop Chainer | Commander | Paige Smith Commander (1) 1 Chainer, Dementia Master Creatures (26) 1 Abhorrent Overlord 1 Armix, Filigree Thrasher 1 Ayara, First of Locthwain 1 Bone Shredder 1 Cavalier of Night 1 Corpse Connoisseur 1 Crypt Ghast 1 Doomed Necromancer 1 Filth 1 Gonti, Lord of Luxury 1 Grave Titan 1 Gravebreaker Lamia 1 Gray Merchant of Asphodel 1 Ink-Eyes, Servant of Oni 1 It That Betrays 1 Kalitas, Traitor of Ghet 1 Massacre Wurm 1 Mindslicer 1 Murderous Rider 1 Noxious Gearhulk 1 Pack Rat 1 Putrid Imp 1 Ravenous Chupacabra 1 Razaketh, the Foulblooded 1 Rune-Scarred Demon 1 Solemn Simulacrum Instants (8) 1 Defile 1 Bitter Triumph 1 Doom Blade 1 Go for the Throat 1 Hagra Mauling // Hagra Broodpit 1 Infernal Grasp 1 Malakir Rebirth // Malakir Mire 1 Soul Shatter Sorceries (15) 1 Beacon of Unrest 1 Beseech the Queen 1 Breach the Multiverse 1 Buried Alive 1 Damnation 1 Feed the Swarm 1 Mutilate 1 Night's Whisper 1 Persist 1 Praetor's Grasp 1 Reanimate 1 Sign in Blood 1 Toxic Deluge 1 Unmarked Grave 1 Victimize Enchantments (3) 1 Animate Dead 1 Phyrexian Arena 1 The Eldest Reborn Artifacts (8) 1 Arcane Signet 1 Charcoal Diamond 1 Coldsteel Heart 1 Lightning Greaves 1 Mimic Vat 1 Mirage Mirror 1 Sol Ring 1 Sword of Feast and Famine Planeswalkers (1) 1 Liliana, Dreadhorde General One thing I've yet to cover with any of these Commander Workshop articles are mono-colored decks

The Setup As mentioned above, you must NOT have completed, and preferably not even started, the Tomb of Annihilation dungeon