
This spell costs less to cast, where X is the greatest power among creatures you control.
Whenever one or more nontoken creatures you control diedieA creature dies when it goes from the battlefield to a graveyard. Being exiled or returned to hand is not dying., create a green Fungus Dinosaur creature token with base power and toughness each equal to the total power of those creatures.
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: DoubleDoubleAll spells and abilities cast, activated, or triggered by you are copied. Mana abilities produce twice as much mana. target creature's power until end of turn.
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Read from the rules text. A card that enables a keyword makes or is the thing; a card that rewards it gets better when you have it. Two cards interact when one enables what the other rewards.