This card costs 3 less to play if there's a 1-cost follower on your field.
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Ward.
Refresh each follower on your field.
QIf I refresh a follower that has already attacked, can it attack again?
AYes, it can.
QIf there are two 1-cost followers on my field, will this card cost 6 less to play?
ANo, it will cost 3 less to play.