The owner of this deck hasn't added a sideboard, they probably should...
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You can easily get various lock-downs with Counterspell on the stick, boomerang, Silence (which should be Orihm's Chant but I'm poor), Fire/Ice, etc. All the while you should keep enough mana up to counter their Vindicates or what have you. Then, before they can do anything, you hopefully either just burn them or Colonnade/Sphinx them to oblivion.
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