the lost caverns of ixalan rare cards MtG Squirming Emergence #241 (You may cast cards from your graveyard for their escape cost.) At the beginning of the end step MtG The Lost Caverns of

They help you power out if not speeding up the combo specifically

The Mutant Menace preconstructed deck leans heavily into the mechanic, both punishing your opponent and rewarding you for accumulating rad counters

Then the ability resolves in accordance with the end result of the vote

That said, even though this is the foil version, I can't imagine this will hold a price anywhere near $40 for long, considering it's just an uncommon

This also means that you can fire off your win attempts at opponents end steps if they all happen to be tapped out, or if you want to try and get interaction out of the way for a fresh next turn