The are about 35 non-foils available on TCGPlayer.com alone, so you can easily go deep at $25 or less if you are ok to sit on them for a while
Both of these items abilities require you to exert the card and pay the ink cost to use them
While trying to think of things that were host or augment-like, I realized we had a brand-new mechanic coming up in Ikoria: Lair of Behemoths that fit the bill, something called mutate
Many of these bundles rotate, some are a limited-time offering and others are tied to the most current sets on Arena
However, since it's fan-made, it's not immediately obvious how to access it
Then the five-cost sorcery will swap all in play dorks with all in graveyards, that's amazing here when you play around it and you can go from losing to winning in one spell