Nova Superchager

Energize X, Haste, Trample, explosive ( If this creature is Blocked deal X damage to the creature/creature that blocked it and X/2 damage to the creatures adjacent to the blocking creatures X equals this creatures power )
Sacrifice Nova Supercharger at the beginning of the next upkeep
If Nova supercharger is untapped at the beginning of your endstep pay X life
Nova Supercharger's Power is equal to X + the amount of Remnants you control