
Each time target permanent would deal damage to a permanent or player this turn, it deals doubledoubleAll spells and abilities cast, activated, or triggered by you are copied. Mana abilities produce twice as much mana. that damage to that permanent or player instead.
SpliceSpliceAs you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell. onto Arcane (As you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell.)
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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.