Defile (SLD) #1793 [EN/F] s/o

{B} · Instant · Target creature gets -1/-1 until end of turn for each Swamp you control. · "On a failed save, target creature takes 8d8 necrotic damage." · Illustrated by Cabrol · Secret Lair Drop #1793 · EDHREC rank 983 · Magic: The Gathering, MTG