Your search for "Maelstrom Pulse 207" revealed the following:
Maelstrom Pulse (2XM) from Double Masters, available at 401 Games Canada. Rarity: Rare Finish: Normal Artist: John Avon Card Text:Destroy target nonland permanent and all other permanents with the same name as that permanent.
Maelstrom Pulse - Ultimate Masters Box Topper (Foil) (PUMA) from Ultimate Box Topper, available at 401 Games Canada. Rarity: Mythic Rare Finish: Foil Artist: John Avon Card Text:Destroy target nonland permanent and all other permanents with the same name as...
Maelstrom Pulse (Foil) (2XM) from Double Masters, available at 401 Games Canada. Rarity: Rare Finish: Foil Artist: John Avon Card Text:Destroy target nonland permanent and all other permanents with the same name as that permanent.