Necropolis Fiend 
Creature — Demon
Delve (Each card you exile from your graveyard while casting this spell pays for 
.)
Flying
, 
, Exile X cards from your graveyard: Target creature gets -X/-X until end of turn.
Legality
standardNOT LEGALpioneerLEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL