2 Esper Self-Bounce Back To Your Hand Optimistic Scavenger is the value engine of this deck, with the rest of the deck being built around bouncing enchantments back to your hand to replay and retrigger eerie
Those 3 life points usually didn't matter much, but occasionally they make all the difference, especially when a deck finds itself in a position to do 14 or 17 damage all at once but can't do 20
Squad functions a little like kicker, letting you pay extra mana when you cast a creature spell to get token copies of it
You get to run the same deck again and again, learn sideboard plans, and fix small mistakes over time
Noctis, Prince of Lucis' graveyard interaction is particularly powerful because you can use it any number of times on your turn, and life is a bountiful resource in Commander
You end up with great recursion like Primevals' Glorious Rebirth, Unburial Rites, and Priest of Fell Rites, plus the best reanimation targets mana can buy