mtg are unfinity cards legal Standard Procedure #1 Regular Mythic Saw in Half - Unfinity

With a market price of $1,650, this one is pretty much limited to big-time collectors or people that were present at MagicCon Philly

1 Stuffy Doll

If X is a very large number, you may be required to roll more dice than you physically can in a reasonable time frame

Fires decks could have a terrible time with the Cloak when it was on something as simple as a River Boa even when it wasn't going on something even larger like Rith, the Awakener, but Saproling Burst and Blastoderm caused compatibility issues

Then there were the two hard cases

The big question here is how often it will be worth trying to defeat a battle