Sword of Feast and Famine
Mirrodin Besieged (MBS #138)
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Sword of Feast and Famine
CMC: 3
Type
Artifact — Equipment
Rules Text
Equipped creature gets +2/+2 and has protection from black and from green.
Whenever equipped creature deals combat damage to a player, that player discards a card and you untap all lands you control.
Equip 
Printing
Mirrodin Besieged (MBS #138)
mythic
Illustrated by Chris Rahn