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Mana Doubler artwork

Mana Doubler

Multiplies the mana your lands or produce, so every land you already control starts making more. Mirari's Wake, Caged Sun. Read the wording before you add one, because some are a trap. Mana Flare, Heartbeat of Spring and Zhur-Taa Ancient say "a player", so every opponent's lands make extra mana too, and each of them gets to spend it before your next turn. Nikya of the Old Ways doubles only your own lands, but it stops you anything that is not a creature.

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A tag is one thing a card does, on its own, in a vacuum. Tags are the building blocks archetypes are made of.

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PermanentAny card that stays on the battlefield once it resolves: creatures, artifacts, enchantments, lands, planeswalkers and battles. Instants and sorceries are not permanents; they resolve and go to the graveyard.Open the full glossaryCasting (short for Cast)To cast a spell is to put it on the stack and pay its cost, usually from your hand. Playing a land is not casting, and a copy of a spell is not cast either.Open the full glossary