Jeskai Energy combines efficient removal like Galvanic Discharge with disruptive creatures such as Phelia, Exuberant Shepherd and Solitude, plus Consign to Memory to stop your colorless spells. Soulless Jailer is a solid blocker against their small creatures while shutting off any recursive plans. Trinisphere taxes their cheap interaction and creatures, making Consign to Memory and Galvanic Discharge much harder to cast alongside their other spells; Giant's Boulder is cut as too slow against their efficient removal and clock.