Magic: The Gatheringcommon· Hour of Devastation
Oasis Ritualist
{T}: Add one mana of any color. {T}, Exert this creature: Add two mana of any one color. (An exerted creature won't untap during your next untap step.)
{T}: Add one mana of any color. {T}, Exert this creature: Add two mana of any one color. (An exerted creature won't untap during your next untap step.)
