Empyrean Scale Diviner

{t}: Add {r} or {g}. When you spend this mana to activate the ability of a permanent, surveil 2.

Exile Empyrean Scale Diviner: Exile the top card of your library. Until end of turn, you may play that card. If you cast a creature spell this way, it gains reverence. (Your creatures can help activate this spells activated abilities. Each creature you tap while activating this spell abilities pays for {1} or one mana
of that creature's color.)