All told, I know theres a lot of hype for Evolution Sage and my expectation is that it wont see substantial success in Modern but it has a chance in Standard, although theres the possibility that it ultimately needs too much to go right
The Alpha edition had slightly more rounded corners than the traditional Magic card, but all tournament-legal cards since Beta have the corners that we have come to know and love
In order to bring to live Heart of Kiran crewing only Toolcraft Exemplar into Heart of Kiran you need to resolve its trigger first
Elves are the best at going wide with tokens, ramping substantially, and pumping each other up as other elves enter (looking at you, Marwyn, the Nurturer)
It's also not equipped for an aggro playstyle, since most of its characters have only one or zero lore value, so it's not going to be able to sneak under the more action-focused control decks either
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