13 cards where the name includes “energy”

Absorb Energy (Alchemy: Innistrad #12)
Burst of Energy (Urza's Legacy #3)
Energy Arc (Masters Edition #144)
Energy Bolt (Mirage #263)
Energy Chamber (Duel Decks: Elspeth vs. Tezzeret #64)
Energy Field (Urza's Saga #73)
Energy Flux (Masters Edition IV #48)
Energy Refractor (The Brothers' War #234)
Energy Storm (Masters Edition II #11)
Energy Tap (Fourth Edition #69)
Energy Vortex (Mirage #64)
Enormous Energy Blade (Kamigawa: Neon Dynasty #96)
Instill Energy (Masters Edition IV #157)

The message was clear to Sorin—time to search for something else.