The ultimate goal is to get all of Azoriuss excellent interactive spells, like Swords to Plowshares, Path to Exile, and Dovin's Veto, even better by drawing a card with Raffs ability
The first is as a Food-support piece, where Took essentially doubles your Food output
Swapping to Neriv, Crackling Vanguard gives you a neat effect from the Command Zone that feels fairly unique and stronger later in the game
Anafenza, Kin-Tree Spirit bolsters onto your persisting creature as long as it has the least toughness when it arrives, which is easy given the smaller size of the better ones
Random Encounter This sorcery costs six in Red and then has flashback for eight, and then shuffles, and then mills four and drops all dorks milled with haste to kill that turn