
As an additional cost to cast this spell, you may waterbendwaterbendWhile paying a waterbend cost, you can tap your artifacts and creatures to help. Each one pays for .
. (While paying a waterbend cost, you can tap your artifacts and creatures to help. Each one pays for
.)
All creatures get -2/-2 until end of turn. If this spell's additional cost was paid, whenever a creature diesdiesA creature dies when it goes from the battlefield to a graveyard. Being exiled or returned to hand is not dying. this turn, you gain 1 life.
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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.