While it's unlikely to be as valuable as the other cards on this list, I'd be more than happy to open a pack and see this guy, looking much more imposing here than he does in his Secret Lair appearances

Release date: 2025-06-13 Adeline, Resplendent Cathar Ranger-Captain of Eos Sram, Senior Edificer Counterspell Urza, Lord High Artificer Venser, Shaper Savant Bolas's Citadel Dark Ritual Fatal Push Syr Konrad, the Grim Yawgmoth, Thran Physician Ancient Copper Dragon Godo, Bandit Warlord Purphoros, God of the Forge Azusa, Lost but Seeking Nyxbloom Ancient Jodah, the Unifier Tymna the Weaver Winota, Joiner of Forces Traxos, Scourge of Kroog Akroma's Will Danitha Capashen, Paragon Kenrith, the Returned King Loran of the Third Path Mangara, the Diplomat Stroke of Midnight Wall of Omens Brainstorm Cryptic Command Laboratory Maniac Rhystic Study Teferi, Mage of Zhalfir Deadly Dispute Diabolic Intent Gix, Yawgmoth Praetor K'rrik, Son of Yawgmoth Varragoth, Bloodsky Sire Captain Lannery Storm Light Up the Stage Lightning Bolt Mizzix's Mastery Najeela, the Blade-Blossom Ragavan, Nimble Pilferer Carpet of Flowers Farseek Fynn, the Fangbearer Nature's Claim Primeval Titan Atraxa, Grand Unifier Bruse Tarl, Boorish Herder Dovin's Veto Inalla, Archmage Ritualist Ishai, Ojutai Dragonspeaker Isshin, Two Heavens as One Kinnan, Bonder Prodigy Kraum, Ludevic's Opus Muldrotha, the Gravetide Thrasios, Triton Hero Vial Smasher the Fierce Yuriko, the Tiger's Shadow Chromatic Lantern Smuggler's Copter Strixhaven Stadium Command Beacon

After prowess was created as a mechanic, many cards that make tokens with prowess were designed
A popular combo with Darksteel Forge is Mycosynth Lattice, which turns all permanents in play into artifacts, and with the Forge out, all your permanents are now indestructible
Foil Borderless Mythic Rare Planeswalker in 2% of boosters