As a flying saga-creature hybrid, it starts by exiling an instant or sorcery from each graveyard, then it builds up until it lets you cast one of those while generating red mana equal to its lore counters
If you don't need her for mana, and you've got a big creature on the board to trigger her +2/+2 boost, feel free to send Ruby in to attack
It drew a few laughs from friends, but otherwise far from setting the stage as a dedicated Magic player
While its not ideal against big stat creatures like Valgavoth, Terror Eater, its a more than fair option against the majority of creatures in Commander
Back in the day, the best way to get rid of your opponents copy of Jace, the Mind Sculptor was to play Jace Beleren
Other Builds If you want to build a different Korvold, Fae-Cursed King deck, the most popular way to build it is just as a straight combo engine