Basically an ETB (and potentially replayable) Explosive Vegetation, and that alone already makes it universally playable for anything that requires effective ramp effects
To get things started, its advisable for the player to load the field with Characters in order to activate the Leader effect of the decks titular card from Romance Dawn [OP-01]
Ill be the first to admit that I dont love the concept and aesthetic of Aetherdrift, but there are still plenty of super cool cards in the set
Occasionally, Ive found myself pining for one specific color and just not having access to it, and Mirrex kind of solves that problem
Both Endurance and Force of Vigor are commonly played in the sideboard of green decks, and the space for sideboard slots has become more competitive
The card's design is pushing Izzet colors if you want a Room-centric deck (at least for now), which is instantly a departure from the usual instant/sorcery focus we're accustomed to seeing