The entire deck is all about milling and returning cards to the battlefield, and if you play your cards right, you can end up in a loop where Kotis is consistently being buffed, to the point of being overpowered
Its ability makes up for its own commander tax, but it can also do a lot of fun things with its activated ability
The fact that it then has the ability to trigger up to once every single turn its out simply makes it the best mana ramp white has gotten in a long time, and a contender for some of the best value too
Thats the usual breakdown, anyway
Red is a MTG colour thats known for its aggression, which means there are a lot of one and two-mana creatures that tend to have haste
Its quite strong and is excellent in white weenie EDH decks that go wide