Sarkhan, Dragonic Acolyte

+1: Your Dragon spells can't be countered this turn. Add two mana in any combination of colors. Spend this mana only to cast Dragon spells.
+1: You may shuffle a Dragon card from your hand into your library. If you do, draw 2 cards, gain 2 life and deal 2 damage to any target.
-7: You get an emblem with "Each Dragon card in your graveyard has flashback. The flashback cost is 0."