Phyrexia: All Will Be One

Ambulatory Edifice | Artifact Creature | Phyrexian Construct | When Ambulatory Edifice enters the battlefield, you may pay 2 life. When you do, target creature gets -1/-1 until end of turn. | Ariel Perez

Cutthroat Centurion | Artifact Creature | Phyrexian Warrior | Sacrifice another artifact or creature: Cutthroat Centurion gets +2/+2 until end of turn. Activate only once each turn. | Ariel Perez

Vat of Rebirth | Artifact | | Whenever another artifact or creature you control is put into a graveyard from the battlefield, put an oil counter on Vat of Rebirth. {2}{B}, {T}, Remove four oil counters from Vat of Rebirth: Return target creature card from your graveyard to the battlefield. Activate only as a sorcery. | Peter Polach

Dross Skullbomb | Artifact | | {1}, Sacrifice Dross Skullbomb: Draw a card. {2}{B}, Sacrifice Dross Skullbomb: Return target creature card from your graveyard to your hand. Draw a card. Activate only as a sorcery. | Gaboleps