what mtg sets have the most valuable cards Top 25 The 25 Most Valuable Sets

You get two acorn counters, one when you cast the spell, and another when the spell resolves and the Squirrel enters the battlefield

Certainly the last few sets have pigeonholed them as foundations for specific archetypes, rather than the bricks-and-mortar we expect them to be in Theros: Beyond Death

The market values of the cards have collapsed since the ban was announced, but both stores are offering to refund the original purchase price in store credit for customers who return their cards

The rate is enough to get it banned in Legacy, the incentives are both awful and something the format is already long on, and I dont think the experience of playing against this card would be tolerable for very long