
If you control a commander, you may cast this spell without paying its mana cost.
You may choose new targets for target spell or ability.
Archmage attacks are little more than annoyances to Kalamax.
Illustrated by Izzy · Commander 2020 · #50
2020-04-17
If the target spell has damage divided as it was cast (like Mythos of Vadrok), the division can't be changed although the targets receiving that damage still can. The same is true of spells that distribute counters.
2020-04-17
If you choose new targets for the target spell, the new targets must be legal.
2020-04-17
If the target spell has a variable number of targets, you can't change how many targets it has.