Name:Tithing Blade
ManaCost:1 B
Types:Artifact
T:Mode$ ChangesZone | Origin$ Any | Destination$ Battlefield | ValidCard$ Card.Self | Execute$ TrigSac | TriggerDescription$ When CARDNAME enters, each opponent sacrifices a creature.
SVar:TrigSac:DB$ Sacrifice | Defined$ Opponent | SacValid$ Creature
K:Craft:4 B ExileCtrlOrGrave<1/Creature.Other>
DeckHints:Ability$Discard|Mill|Sacrifice
DeckHas:Ability$LifeGain|Graveyard
AlternateMode:DoubleFaced
Oracle:When Tithing Blade enters, each opponent sacrifices a creature.\nCraft with creature {4}{B} ({4}{B}, Exile this artifact, Exile a creature you control or a creature card from your graveyard: Return this card transformed under its owner's control. Craft only as a sorcery.)

ALTERNATE

Name:Consuming Sepulcher
ManaCost:no cost
Colors:black
Types:Artifact
T:Mode$ Phase | Phase$ Upkeep | ValidPlayer$ You | TriggerZones$ Battlefield | Execute$ TrigDrain | TriggerDescription$ At the beginning of your upkeep, each opponent loses 1 life and you gain 1 life.
SVar:TrigDrain:DB$ LoseLife | Defined$ Opponent | LifeAmount$ 1 | SubAbility$ DBGainLife
SVar:DBGainLife:DB$ GainLife | LifeAmount$ 1
Oracle:At the beginning of your upkeep, each opponent loses 1 life and you gain 1 life.
