Blackfire Torch adds sustained damage to repeated Plasma Fission and Void Rift poke, while Horizon Focus strengthens follow-up abilities after a distant hit. Infinity Orb, Rabadon's Deathcap, and Void Staff improve the finishing power around Deconstruction stacks and Life Form Disintegration Ray. In the combo simulation, Arcane Comet triggers from the first ability hit and gives repeated poke the most reliable expected damage.