aspec cards pokemon search your deck for up to 3 cards and put them into your hand Energy Search PRO Ace Spec

But when everyone is sleeving up Teferi's Protection and all the lesser copies that grant indestructibility like Unbreakable Formation, its lost a bit of sheen

As for the rest of the format, I feel pretty comfortable

Extinction Event seems like the strongest sweeper in sideboard games, especially since the vast majority of your creatures have an odd converted mana cost

The Mightstone and Weakstone (version #2) 4 Legendary Artifact Powerstone When CARDNAME enters the battlefield, choose one Create two 1/1 colorless Soldier artifact creature tokens

The key question is whether this segment will remain a market for collectors or evolve into a highly liquid form of speculation