I don't know that a modern R&D would have emergency banned right after a new card first saw daylight, but there is no denying this deck was unbelievably brutal as well as being the quickest kill in the formatTinker into Memory Jar into either Yawgmoths Will or a second Memory Jar, for a Megrim kill at end of turn
Tajiri even thought about shutting down the whole thing
Q: How do you upset a Magic player in just three words
Instead of Cocoon, try Forced Adaptation, which puts a +1/+1 counter on the enchanted creature each turn without a drawback, or Spider Umbra, which gives your creature +1/+1 and reach, plus is a Totem Armor
This might be the trend that follows for collectibles this year
Whenever you cast a noncreature spell with mana value 3 or greater, Yshtola deals 2 damage to each opponent and you gain 2 life