2023-06-16 Some cards refer to the "amassed Army." That means the Army creature you chose to receive counters, even if no counters were placed on it for some reason.
Mistcutter Hydra Just like Bristling Hydra, Mistcutter is mainly here due to its Standard pedigree, where it was a huge force to be reckoned with due to several Blue control decks in the format, as well as Mono-Blue Devotion being the number one deck in the format
In Final Fantasy 4 , Mist is a magical energy associated with summons, which are mystical monsters called from another plane
That means whenever you cast a big spell, youll get to cast two more of lower cost for free
Most of the time, your opponent will be able to dictate when this goes off and can setup their board in such a way that it's not as punishing
Also hot take: I don't think running lots of +1/+1 counter support cards are good here