Liesa, Shroud of Dusk, for example, wants to restrict your opponents plays by taxing every spell with an additional two life loss
To give some perspective, EDHREC alone has data on over a million decks so finding a unique take on a build can feel like an impossible task
Since were going more Voltrony, theres a high need for cards that can protect our commander
I was reliably getting extra draw, hitting my land drops, pulling into just what I needed when I needed it, and all in all had a great game
Leap only costs one mana to activate and your elves can just tap themselves for that mana and be sacrificed in the same move, so you don't even need to waste forests to make it rain juicy creatures
At a fundamental level, these decks have much in common with popular depictions of alchemy