Mana Crypt Mana Vault Mox Opal Mox Diamond Chrome Mox Grim Monolith as well as
Tree of Tales Ancient Den and
Seat of the Synod (to activate metalcraft) are all good. Also the ABUR duals in your colors, as well as all 9(good) fetches in your colors. Also
Timetwister,
Swords to Plowshares,
Silence,
Ponder,
Preordain,
Brainstorm,
Mana Drain,
Force of Will,
Swan Song, and
Cyclonic Rift. If you're on more of a budget please say so and I will give more budget friendly options!