Rooftop Storm (PLST) #ISD-71 [EN/N]

{5}{U} · Enchantment · You may pay {0} rather than pay the mana cost for Zombie creature spells you cast. · "Let those idiot priests tremble! A new era in unlife begins here and now. Oglor, raise the lightning vane!" —Stitcher Geralf · Illustrated by John Stanko · The List #ISD-71 · EDHREC rank 2211 · Magic: The Gathering, MTG