The additional ability of this card which makes you sacrifice creatures or lands in order to draw cards is also a helpful part of this powerful package
Elves dont tend to have problems with mana generation, and the different modes just add that much more flexibility
If I did have to pick a recent set to compare it to, Id probably say Lost Caverns of Ixalan , with the tendency for aggro decks to pivot towards indirect damage in the lategame, and the powerful lategame in various colors and flavors
The Monstrous Serpent (Koma, Cosmos Serpent) | 3 Colorless, 2 Green, 2 Blue Mana Legendary Creature Serpent This spell cant be countered
Without these constraints, the model hallucinates
The interaction package is underwhelming, not much to consistently stop opponents, but in fairness the deck is trying to solve problem players by just killing them instead of removing their stuff