Four mana and two forages to get a 4/3 and a 3/3 is a good deal, a strong way to catch up or get ahead with your board presence
Incapsula incident ID: 1815000760812696790-714754288422163259
Atraxa wins by doing what most decks can't stop quietly stacking poison counters while proliferating every single turn until opponents run out of time
Archangel of Thune: Theres a little lifegain elsewhere in the deck, but since Archangel of Thune has it built in, this is a no-brainerespecially if we can make Kaalia large enough to not get messed with
Olivier Ruel took fifth at Grand Prix: Copenhagen 2005 with it: "Erayo Affinity" Creatures (21) 2 Myr Enforcer 3 Arcbound Ravager 4 Arcbound Worker 4 Frogmite 4 Ornithopter 4 Erayo, Soratami Ascendant Spells (22) 2 Cabal Therapy 4 Thoughtcast 2 Scale of Chiss-Goria 3 Pithing Needle 3 Talisman of Dominance 4 Chromatic Sphere 4 Cranial Plating Lands (18) 2 Underground River 4 Blinkmoth Nexus 4 Darksteel Citadel 4 Seat of the Synod 4 Vault of Whispers Yes, with Erayo and Pithing Needle, Saviors of Kamigawa contributed loads of cards to affinity decks
I do think there's a good chance we could find a place to reprint this card someday