Haste (This creature can attack, and as soon as it comes under your control.)Threshold — As long as seven or more cards are in your graveyard, Centaur Chieftain has "When Centaur Chieftain enters the battlefield, creatures you control get +1/+1 and gain trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.) until end of turn."
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