Extend Cast

[Time:: Free Reaction] [Target:: Self]
[Trigger:: A Spell Ability that you used has an Effect Duration that is ending]
[Test:: Mage Stat Exhausted]
[Effect:: Buff]

Mage Score:

• [..6] The Spell Ability ends as normal.
• [7..] Gain 1 stack of Exhausted. You extend the Effect Duration of the triggering Spell Ability by an amount equal to its original Effect Duration.