Hour of Reckoning
March of the Machine Commander (MOC #190)
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CHCardhoarder
Hour of Reckoning
CMC: 7
Type
Sorcery
Rules Text
Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for 
or one mana of that creature's color.)
Destroy all nontoken creatures.
Printing
March of the Machine Commander (MOC #190)
rare
Illustrated by Joseph Meehan