Sprigatito, Fuecoco & Quaxly
One thing not to underestimate about casualty is that only half of the effect will be stoppable by a regular counterspell, which gives the casualty spells in general some added reach in metagames heavy on counters
Not only can it create Food itself, but it replaces each cracked Food Token with a Treasure
I think Mishra, Eminent One gets outshined by Ashnod the Uncaring easily, and Id swap their places almost immediately
However, its first attack makes it the most efficient mill deck in the game, as it can send the top four cards of the opponent's deck to the discard pile if they played an Ancient Supporter Card during that turn
Torrential Slash deals 120 HP of damage or 240 HP damage if the Active opposing Pokemon has any damage already and it only costs two Water Energy too