It comes down and offers something enticing for six mana
If you're playing CEDH and trying to win on turn three it's a massive problem because you need essentially every land to come into play untapped, but in more casual games the drawback is negligible especially compared to the upside of having powerful spells in your land slot
Hinata, Dawn-Crowned Hinata, Dawn-Crowned plays best as a control commander that reduces the costs of spells like By Force and Distorting Wake to prevent your opponents from participating in the game
2021-02-05 If a spell or ability an opponent controls allows or instructs you to choose a card to discard, and you discard Orvar, its last ability will trigger
The mutate ability allows you to further utilize Otrimi: because it can be mutated sooner than you could cast it otherwise, it can also attack sooner
Wizards expanded on the mechanic in 2018s Battlebond with the less flexible Partner with on 22 additional cards, which only allowed players to partner specific legends together