Frostboil Snarl (CMM) #998 [EN/N] s/o

Land · As this land enters, you may reveal an Island or Mountain card from your hand. If you don't, this land enters tapped. {T}: Add {U} or {R}. · A smoldering storm of chilling fire. · Illustrated by Sam Burley · Commander Masters #998 · EDHREC rank 335 · Magic: The Gathering, MTG