best mtg commander decks Ranking All Precons from 2023 Top 5 Beginner friendly Commander

And then Cosmic Spider-Man comes along and turns them practically into Slivers instead, and the results are gnarly

Then no one can cast things from their graveyards and I don't have any flashback or other cards that would do that, just the Regrowths mentioned

The face-down card put onto the battlefield by Curator Beastie's last ability is a colorless creature you control entering the battlefield (unless an effect gives it a color) so it will enter with +1/+1 counters if Curator Beastie is still on the battlefield

No, you cannot exile emblems

The interplay of these factors creates a dynamic and often volatile secondary market