Your search for "Protomatter Powder 53" revealed the following:
Protomatter Powder (Foil) (ALA) from Shards of Alara, available at 401 Games Canada. Rarity: Uncommon Finish: Foil Artist: Francis Tsai Card Text:4W, T, Sacrifice Protomatter Powder: Return target artifact card from your graveyard to play.
Protomatter Powder (ALA) from Shards of Alara, available at 401 Games Canada. Rarity: Uncommon Finish: Normal Artist: Francis Tsai Card Text:4W, T, Sacrifice Protomatter Powder: Return target artifact card from your graveyard to play.