7,000 Non-foil Sol Ring (Dwarven) : Priced around $175 in near-mint condition
32 FINAL FANTASY LANDMARK LANDSBuild decks with Full-Art Land featuring 16 different landscapes, 1 for each of the mainline FINAL FANTASY games
(You may cast this card from your graveyard for its escape cost.) This creature escapes with "Whenever this creature deals combat damage to a player, you may cast an artifact, instant, or sorcery spell from among cards exiled with this creature without paying its mana cost." Creature - Bird Rogue Color tag templates(None) Stinging Barrier Defender (This creature can't attack.) , : This creature deals 1 damage to any target
Chart shows the price of Yzma - Conniving Chemist #56 at the end of each month going back as long as we have tracked the item.
For the High Mana Value subtheme though, I count only 4 noncreature spells with high mv that you can cast for cheaper (e.g
#3: Oath of Druids While Survival of the Fittest was really broken down when it was a way to cheat mana, in addition to being a tutor, Oath of Druids never even bothered to pretend to play fair