Myr Battlesphere Myr Battlesphere is powerful because its both a threatening attacker and a good way to do direct damage
It can take a while to get to 1000 time counters for each opponent to lose 1000 life, but if theres no artifact removal, it can be an eventual win condition
Gitaxian Raptor If proliferate decks become good enough they can churn out several counter bumps a turn, then this can potentially get in for a solid 3-4 damage a turn
Letting you pay a set amount of Ink in order to boost stats or unlock new abilities adds more strategy to an already varied game
It's one of the most popular Dimir commanders in terms of play rate, though one of the least popular in terms of how much you want to see an opponent playing it
On its own, it's gorgeous, but with the rest of Destined Rivals, it truly stands out as a brilliant chase, one that deserves to be above the rest, even that SIR that's too expensive right now