creature fetch cards mtg Fiend Artisan (#83) (borderless) Transfigure only as a sorcery.) Art by Dave Allsop. Magic The Gathering Trading Card

Speaking of playsets, there's also one of the green Exodus staple, Survival of the Fittest (all English, GD, LP, PL, PL)

Twilight Sparkle at least provides a lord effect for other Horses and Horse-adjacent creatures while being a 5-color legend to fit all the best ones together

And, specifically with Cloud, Midgar Mercenary, Sigarda's Aid has a near auto-include rate of 80% and, like Stoneforge Mystic, shows up in Cloud's competitive decks in Duel Commander

Having Mastery of the Unseen and Whisperwood Elemental showing up more and more means that these should show up a little more as well since its excellent to randomly manifest one