Sure, he works in other decks, but Elves is one of the decks that leverages all three of his abilities
The first allows you to draw a card at the end of your turn if either player lost four or more life in that turn, allowing you to draw a potential counterspell for your opponents upcoming turn
Gwaihir, Greatest of the Eagles Gwaihir, Greatest of the Eagles is a big flying creature that slots well into lifegain decks
Im not a particular fan of the Red/Green archtype because it seems to be more of a good-card one, with a minorramp theme, failing to generate overall synergy you might see in other archtypes
Disney Lorcana initially debuted at the Gen Con convention earlier this month, with customers queuing throughout the convention hall to get their hands on starter decks and booster packs, with some people admitting they had been queuing for over 16 hours
Naturally, its easier to achieve 51+ life in EDH because you start with 40 life, and your commander can give lifelink to creatures