Fractured Loyalty


Enchant Creature
Whenever enchanted creature becomes the target of a spell or ability, that spell or ability's controller gains control of that creature. (This effect doesn't end at end of turn.)
I have a question about this situation:
I have enchanted with Frac a Psychatog or a Wild Mongrel. I target the creature with a Lightning Bolt.
Before lethal damage is dealt to the creature, can i have the priority to pump it using the creature ability ?
I assume the stack is this:
- Bolt targeting the creature
- Triggered ability of Frac
I resolve the Frac ability from the stack. The creature is under my control.
Now i have the priority before bolt is resolved, so i can pump the creature.