Spontanzauber
Bestimme einen Zauberspruch deiner Wahl und wirf dann eine Münze. Falls du den Münzwurf gewinnst, übernimm die Kontrolle über den Zauberspruch. Du kannst neue Ziele für ihn bestimmen. Falls du den Münzwurf verlierst, neutralisiere den Zauberspruch.
You don't make any decisions about new targets for the spell until you win the flip.
If the target spell has damage divided as it was cast, the division can't be changed although the targets receiving that damage still can. The same is true of spells that distribute counters.
If the target spell has a variable number of targets, you can't change how many targets it has.
If you choose new targets for the target spell, the new targets must be legal.