Spend X: Increase your Energy by X next round, for that round only.
Spend the Power Strength of a Power: Remove that Power from an opponent at the end of the round.
Multiply your normal Attacks by 1.5. Any Hero Damaged by Blazing Shillelagh must spend Energy equal to the Damage sustained on nothing during the following round. "The Blazing Shillelagh be havin' the power to clock anything, but good!"
Nev the Deranged
Each round, Burn X, and keep track of the total Energy you've burnt. At the beginning of the round of your choice, blast an opponent of your choice with unblockable damage equal to the accumulated Energy Burnt.