Loading…
Creatures your opponents control get -1/-0 until end of turn if 
was spent to cast this spell, and creatures you control get +1/+0 until end of turn if 
was spent to cast this spell. (Do both if was spent.)
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.
