
TeamworkTeamworkAs an additional cost to cast this spell, you may tap any number of creatures you control with total power 2 or more. 2 (As an additional cost to cast this spell, you may tap any number of creatures you control with total power 2 or more.)
Repulsor Blast deals 5 damage to target creature. If this spell was cast using teamworkteamworkAs an additional cost to cast this spell, you may tap any number of creatures you control with total power 2 or more., it also deals 2 damage to that creature's controller.
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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.