Supertypes (such as legendary and basic) and subtypes (such as Human and Equipment) are not counted
Unless youre drafting Greenwhich has access to Landers and a few fixing toolsyoure taking a big risk by adding a third color
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
Whats more, you can use the black ability to draw cards and lose life in every color, and youll draw even more cards if you have proliferate or counter synergies
Just looking at the card, it has such unique artwork that you really can't forget it
Against decks that use their creatures for mana, or rely on tap abilities, this card can wipe their board and shut them off for a turn, and its not a small number of creatures that have relevant tap abilities