All 17 Combos with Hermes, Overseer of Elpis

Blood Funnel + Memory Crystal + Urabrask // The Great Work + Seething Anger + Hermes, Overseer of Elpis

Infinite Damage: Infinite LTB, Infinite ETB, Infinite sacrifice triggers, Infinite death triggers, Infinite damage, Infinite storm count, Infinite magecraft triggers, Infinitely powerful creatures you control until end of turn

Cast Seething Anger with buyback by paying {R}. Urabrask, Blood Funnel and Hermes trigger. Resolve the Urabrask trigger, adding {R} and dealing 1 damage to any target. Resolve the Hermes trigger, creating a creature token. Resolve the Blood Funnel trigger, causing you to sacrifice the creature token. Resolve the Seething Anger spell. Repeat.