Maelstrom of the Spirit Dragon (#326)

Type: Land

Text: {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.

Set: Tarkir: Dragonstorm (#326)