Every time it attacks, it mobilizes a warrior token to join the fun, and it can sacrifice itself to deal a burst of damage based on how wide your board is
Ive heard a lot of people saying that this shouldnt cost 8 mana, but I dont think that there is any way to justify an effect that multiplies all of your attacking creatures by the amount of opponents that you have being any cheaper than this
You can certainly pick off small creatures with just one toughness with Kelsien, but if you want to start taking care of larger creatures, you're going to need to give him deathtouch
With multiple prestigious accomplishments in the game, such as the 2020 Players Cup 2 Champion and the 2020 Oceania International Championships Finalist, he has proven his success in the game
One of these decks is probably Brian Canada, but who is the other lunatic
It can seem a little complex at first, but fortunately, 2017s Persona 5 makes for a pretty great starting point