Windfall is a great card in duels, but in a larger multiplayer environment, it often will help your opponents more than it helps you
NIV-MIZZET (IZZET MIZZET) Niv-Mizzet is to Ravnica as Thalia is to Innistrad, as Teferi is to Dominaria
I think the proactive route with Eldrazi Monument might be better in the more casual pods that I'm trying to run this in as it's permanent protection from board wipes and it makes the Apostles a threat themselves with flying and the +1 power buff
Shocker, I know that I picked what I think are the first and second best sideboard colors for the best combo
Since Pantlaza triggers off of tokens as well as regular creatures, you can get tons of free spells each turn with a little dedication to a token strategy
Raffine provides an ever-growing evasive threat that also provides card selection, and pairs well with cards like Kaito, Luminarch Aspirant, and Wedding Announcement that provide advantage over time