Spontanzauber
Neutralisiere einen Zauberspruch deiner Wahl, falls sein Beherrscher nicht
zahlt, wobei X die höchste Stärke unter den Kreaturen ist, die du kontrollierst.
The value of X is the greatest power among creatures you control when Spell Rupture resolves. If you control no creatures at that time, X will be 0. The target spell’s controller can choose to pay (simply by indicating they wish to do so). That player can also choose to not pay and the spell will be countered.