The owner of this deck hasn't added a sideboard, they probably should...
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Here's a deck based around Assault Formation from Dragons of Tarkir.This card is pretty broken. I'll give you one example:T1 - Lagonna-Band Trailblazer T2 - Assault Formation T3 - Glaring Aegis on the trailblazer, tap one of their creatures, 2x Shape the Sands on trailblazer, swing for 20.
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