Vigil for the Lost 
Enchantment
Whenever a creature you control dies, you may pay 
. If you do, you gain X life.
Legality
standardNOT LEGALpioneerNOT LEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL
Enchantment
Whenever a creature you control dies, you may pay . If you do, you gain X life.