What is the diamond symbol in MTG?
Oh, the diamond symbol in MTG? That's the symbol for colorless mana. It was introduced with the Oath of the Gatewatch set. Unlike the other mana symbols that represent colors (white, blue, black, red, green), the diamond represents colorless mana that can be used without any color requirements. Pretty cool addition to the game!
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It's just colorless mana, fam. Not that deep but super useful for Eldrazi decks.
As a long-time MTG player, I can tell you the diamond symbol threw us for a loop when it first appeared. It's for colorless mana, which is different from generic mana costs. Specific cards require this type of mana, making it a strategic resource in certain decks.
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