Whether it's the sheer volume of demand, a lack of product, or (as is most likely), unscrupulous resellers who scoop up as much stock as they can before trying to shift it at absurd markups, the trading card game market is a disaster right now
Return From Whence Ye Came The final subset of card advantage providers in this game is only two cards strong: its just Koga and Budding Expeditioner
The consistency with which sacrifice gets built into these set mechanics means theres new, pushed support cards being printed for the archetype all the time
I dont normally advocate Darksteel Forge in Commander, but if most of what youre protecting by making indestructible are Attractions, I dont think anyone will fault you for that
They both have cards that boost their combat, certainly
Currently, youll find this card reselling in the realm of $28-35, with some high-quality and graded iterations going for slightly more