17 cards where the illustration contains “beard” and the color identity ≤ BR and the cards produce mana

Agadeem's Awakening // Agadeem, the Undercrypt (Zendikar Rising #90)
Agadeem's Awakening // Agadeem, the Undercrypt (Zendikar Rising #90)
Axgard Artisan (March of the Machine #332)
Black Market (Commander Legends: Battle for Baldur's Gate #739)
Bog Witch (Archenemy #11)
Curse of Opulence (Murders at Karlov Manor Commander #150)
Dark Ritual (Masters 25 #82)
Dockside Extortionist (Commander 2019 #24)
Flywheel Racer (March of the Machine #259)
Greedy Freebooter (The Lost Caverns of Ixalan #109)
King Macar, the Gold-Cursed (Journey into Nyx #74)
Pitiless Plunderer (Special Guests #5)
Plaza of Heroes (Dominaria United #252)
Sarkhan, Fireblood (Core Set 2019 #154)
Treasure (Streets of New Capenna Southeast Asia Tokens #1)
Valki, God of Lies // Tibalt, Cosmic Impostor (Kaldheim #114)
Valki, God of Lies // Tibalt, Cosmic Impostor (Kaldheim #114)
Vault Robber (Kaldheim #158)
Workhorse (Exodus #142)

The message was clear to Sorin—time to search for something else.