No one mentioned my favorite torso equipment ... Asyran Robes. They work with Dorseus to get past Death Lock and Idol of Pestilence. Transfer Dorseus’ damage to the Priestess and Dorseus heals two from the Mage bypassing finite life. If no deathlock in play, then Dorseus also regenerates.
I am a big creature and temple Priestess guy. If you go that way, I also suggest Joseph Trublood. He can be cast turn 1, with the Temple of Asyra on turn 2, at which time Joe prays for mana being a cleric. He also has a lot of utility support beyond that. He deals five dice on an attack against certain creatures, and can roll two dice healing.
I do not believe that Alfiya is tournament legal yet.
Note that Malachi’s Basilica gives a creature Light +1. Have a Hawkeye on and wear the ring that gives +1 to Light damage and you have 8 die Luminous Blasts, a great little unavoidable attack in Dazzle, and Pillar of Light becomes a staple range 2 attack spell.
Then, if you go with both the ToA and the Basilica, you should add a Temple of Light (especially if you like the Hand of Bim-Shalla), and probably Metatron....