Ra's Disciple

When Ra's Disciple is summoned,
you can pay an extra {w}{r} or {r/w}.
If you paid {w}{r}, summon up to three Ra's Disciple from your library or hand tapped
on your side of the Battlefield.
If you paid {r/w} summon up to one Ra's Disciple from your library or hand tapped
on your side of the Battlefield.