Opal deck

[VoLRaTH]

4 Opal Acrolith
4 Opal Archangel
4 Opal Avanger
4 Opal Caryatid
4 Opal Champion
4 Opal Gargoyle
4 Opal Titan
4 Enlightened Tutor
4 Replenish
4 Scraphead
4 Serra's Sanctum
16 Plains

 

[rkoelsch]

You need creature kill because if they get creature advantage they have no reason to play more creatures.
reduce your opals by 6 and put in 3 Topple and 3 wraths of God