I still favour the Scout in this role but I can see the argument for Shortcutter
Eldrazi are one of the most popular creature types in Magic, so there's always going to be some kind of value to them
Kemba, Kha Enduring Kemba, Kha Enduring is an interesting equipment commander thanks to its ability to mitigate equipments main downside
The evoke is also only 1 blue mana, where casting the creature normally costs 2 blue mana, meaning if you're having trouble getting 2 blue, this card still isn't dead in your hand
Gone are the days people would run commanders just because they were the colours they wanted access to Card advantage every top commander provides card advantage in some way, whether its literally drawing cards, card selection via scrying or similar, bringing cards back from the graveyard, tutoring, or even producing permanents such as tokens
Defiant Greatmaw: This deck is building itself