If Fox-Fire targets two 2-Might units, and one is buffed to 4 Might with Discipline in response, can Fox-Fire still kill both units?

Ruling: Fox-Fire cannot kill both units. When Fox-Fire resolves, it can kill units with a total of up to 4 Might among its targets. Since the targets now total 6 Might (one 2-Might unit and one 4-Might unit), Fox-Fire can only kill one of them, not both.

Sequence:

• Fox-Fire is cast, targeting both 2-Might units
• Discipline is played in response, buffing one unit to 4 Might
• Fox-Fire resolves with both targets still valid but now totaling 6 Might
• The Fox-Fire player chooses to kill either the 2-Might unit or the 4-Might unit, but cannot kill both

Nuances:

• Targets are selected when the spell is cast, but the spell's instructions (total of 4 Might) must still be followed when it resolves
• There is a common misconception that Fox-Fire can kill all units that each have 4 Might or less, which is incorrect
• Pixelborn has a bug with this interaction and should not be relied upon for correct rulings