Inevitable End 

Enchantment — Aura
Enchant creature Enchanted creature has "At the beginning of your upkeep, sacrifice a creature."
Legality
standardNOT LEGALpioneerLEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL
Enchantment — Aura
Enchant creature Enchanted creature has "At the beginning of your upkeep, sacrifice a creature."