Because getting bigger is fun
Charizard is a fan favorite Pokmon in general, and widely considered one of the best Fire-types by fans
Pharika, God of Affliction Mostly, I hate that your opponent gets the snake tokens, but when an Eldrazi comes along that can return exiled creatures to play (itll happen!) then this will get a lot better
All you need is a way to buff him up and land a hit, and you're off to the races with an instant army that replenishes itself with each attack, or even grows exponentially True, Shroofus will mostly see play in the 99 of other, multicolored decks, but he can make for a powerful commander all by himself
For example, if youve been building a monored Karlach deck but want to splash into green, finding that Master Chef, or a Raised by Giants, Hardy Outlander, or Cloakwood Hermit gives you access to the colours you wanted