Maelstrom of the Spirit Dragon

Land • Tarkir: Dragonstorm • Rare

{T}: Add {C}.
{T}: Add one mana of any color. Spend this mana only to cast a Dragon spell or an Omen spell.
{4}, {T}, Sacrifice this land: Search your library for a Dragon card, reveal it, put it into your hand, then shuffle.

Illustrated by Carlos Palma Cruchaga.