Sword of Once and Future
March of the Machine Promos (PMOM #265s)
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Sword of Once and Future
CMC: 3
Type
Artifact — Equipment
Rules Text
Equipped creature gets +2/+2 and has protection from blue and from black.
Whenever equipped creature deals combat damage to a player, surveil 2. Then you may cast an instant or sorcery spell with mana value 2 or less from your graveyard without paying its mana cost. If that spell would be put into your graveyard, exile it instead.
Equip 
Printing
March of the Machine Promos (PMOM #265s)
mythic
Illustrated by Joshua Cairos