For three mana, Fraying Sanity is a Blue Curse that reads, At the beginning of each end step, enchanted player mills X cards, where X is the number of cards put into their graveyard from anywhere this turn. As above, thats great if youre in mill, but kind of rubbish otherwise
You can even milk the nest with a pinger, extracting wasps each turn
If Warehouse Tabby leaves the battlefield while it has an Aura you control attached to it or at the same time as another creature with an Aura you control attached to it, its ability won't trigger for those enchantments unless they were destroyed by the same effect that caused Warehouse Tabby to leave the battlefield
Maestros Charm Flexibility is the name of the game here
Making it that far is the question, so I can see this anchoring a Jeskai burn deck to suppress the creatures and then turn the tide
Give Cromat flying