Flusterstorm

Counter target instant or sorcery spell unless its controller pays . Storm (When you cast this spell, copy it for each spell cast before it this turn. You may choose new targets for the copies.)

「我らは歌う、崩れ落ちゆく夜空と、穹窿を支えし英雄の物語を。」 ――「遊牧の賢者の伝説」