Evil
(Player's Handbook v.3.5 variant, p. 186)
Deities:
Aegir, Apep, Ares, Chemosh, Erythnul, Gruumsh, Hecate, Hextor, Hiddukel, Kurtulmak, Loki, Lolth, Morgion, Nerull, Sargonnas, Set, Sobek, Surtur, Taiia (destroyer aspect), The Blood of Vol, The Devourer, The Dragon Below, The Fury, The Keeper, The Mockery, The Shadow, Thrym, Tiamat, Toldoth, Vecna, Zeboim
Other deities:
Granted power
You cast evil spells at +1 caster level.
Special
When casting Summon Monster IX spell as an Evil Domain spell, only Evil creatures may be summoned.