The negative counter doesnt do anything since its not a creature anymore, but it gets to untap and you can repeat this cycle indefinitely
Or WotC could print another set of similar lands maybe nothing quite as egregious as the long-discussed snow duals, but perhaps some sort of strictly better shockland
But these are hundreds of dollars apiece, you typically have to invest in multiples for them to really matter, and there are plenty of other options out there
Youre feeding off other players, and between stax, pillow fort, and +1/+1 counter synergies, the different themes arent focused enough
Target player mills twice X cards
FINAL FANTASY ELEMENTAL CYCLE RARE SLD BONUS CARDS FIN was the best selling Universes Beyond product so far, and has an extremely broad appeal