Name:Consecrate
ManaCost:1 WB
AlternateMode: Split
Types:Instant
A:SP$ ChangeZone | Cost$ 1 WB | Origin$ Graveyard | Destination$ Exile | TgtPrompt$ Choose target card in a graveyard | ValidTgts$ Card | SpellDescription$ Exile target card from a graveyard. | SubAbility$ DBDraw
SVar:DBDraw:DB$ Draw | NumCards$ 1 | SpellDescription$ Draw a card.
Oracle:Exile target card from a graveyard.\nDraw a card.

ALTERNATE

Name:Consume
ManaCost:2 W B
Types:Sorcery
A:SP$ Pump | Cost$ 2 W B | ValidTgts$ Player | IsCurse$ True | RememberTargets$ True | SubAbility$ DBChooseCard | SpellDescription$ Target player sacrifices a creature with the greatest power among creatures they control. You gain life equal to its power.
SVar:DBChooseCard:DB$ ChooseCard | Defined$ Player.IsRemembered | Choices$ Creature.greatestPowerControlledByRemembered | Mandatory$ True | SubAbility$ DBSac
SVar:DBSac:DB$ Sacrifice | Defined$ Player.IsRemembered | SacValid$ Card.ChosenCard | RememberSacrificed$ True | SubAbility$ DBGainLife | SacMessage$ the creature with the highest power 
SVar:DBGainLife:DB$ GainLife | Defined$ You | LifeAmount$ X | SubAbility$ DBCleanup
SVar:DBCleanup:DB$ Cleanup | ClearRemembered$ True
SVar:X:RememberedLKI$CardPower
SVar:SplitNeedsToPlay:Creature.OppCtrl
Oracle:Target player sacrifices a creature with the greatest power among creatures they control. You gain life equal to its power.