Most Elf decks lean into one of three gameplans: Mana ramp turns your mana dorks into a powerful mana engine
Players can also have hexproof, and in these scenarios a player with hexproof cant be targeted by spells or abilities, although their creatures and permanents are still able to be targeted
For two generic and one blue mana, players can cast this Aura on target creature, land, or Planeswalker
Obviously, if a player is stuck with an unplayable hand, they need an infusion of either mana or fresh cards to get them out of that spot without missing whole turns
The other big problem with Aetherdrift was the major themes of the set didn't "land" in Constructed formats
If they are going to need more than a playset, and the token has potential to be valuable