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Taking advantage of Chromatic Lantern for the old-school 5-color deck, Slivers. The key combo to win is Sliver Queen with Mana Echoes, which leads to both infinite 1/1 slivers and infinite mana. Combined with haste or unblockability, and things can snap off out of nowhere. Make a billion slivers, then play Sliver Legion to give them 1,000,000,000 power and toughness. Yes, I've done that. Yes, it is fun.
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