Your search for "Depth Charge Colossus 78" revealed the following:
Depth Charge Colossus (Foil) (BRO) from The Brothers' War, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Daniel Ljunggren Card Text:Prototype (You may cast this spell with different mana cost, color, and size. It keeps its abilities and...
Depth Charge Colossus (BRO) from The Brothers' War, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Daniel Ljunggren Card Text:Prototype (You may cast this spell with different mana cost, color, and size. It keeps its abilities and types.)...
Depth Charge Colossus - Art Series (Gold-Stamped Signature) (ABRO) from The Brothers' War Art Series, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Daniel Ljunggren