Delirium - Inquisitor's Ox gets +1/+0 and has vigilance as long as there are four or more card types among cards in your graveyard.
Many fields now lie fallow in Gavony, as the oxen have been confiscated to perform other duties.
2/5
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KHANS OF TARKIR 
COMMANDER 2014
FTV: ANNIHILATION 
SPEED vs CUNNING 
MAGIC 2015 
CONSPIRACY 
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