ultros mtg card Ultros, Obnoxious Octopus [FINAL FANTASY] remove one from it instead.) Whenever you cast a noncreature spell Ultros (Full Art) - Crystal

If instead of only looking at mana costs you look at the whole card, there are quite a few cards with mono-color casting costs that use hybrid mana in their rules text

Brawl Legal Vintage Legal Timeless Legal Commander Legal Pauper Not Legal Oathbreaker Legal Penny Not Legal Toolbox Buy This Card Notes and Rules Information for The Ancient One: Once The Ancient One has legally attacked or blocked, removing permanent cards from your graveyard so the descend 8 ability no longer applies won't remove The Ancient One from combat

Despite that price, The Great Henge is extremely popular in Commander, appearing in nearly 10% of decks that can play it

If those decks have a four power or more dork in play they should be winning most of the time without need of a free 2/2 flier