Creatures you control get +2/+1 until end of turn.
Spell mastery - If there are two or more instant and/or sorcery cards in your graveyard, those creatures also gain vigilance until end of turn. (Attacking doesn't cause them to tap.)
MYTHICSPOILER.COM THE CYCLICAL MTG SPOILER
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BATTLE FOR ZENDIKAR 
MODERN MASTERS 2015
DRAGONS OF TARKIR 
FATE REFORGED 
KHANS OF TARKIR 
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