Whenever a creature enters the battlefield under your control, creatures you control get +1/+1 until end of turn.
They became a single entity, a phalanx in the Temple of Triumph standing against a host of enemies.
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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