Tifa, Zangan's Student

: If Tifa does not use an ability during your turn, remove a combo counter at the end of your turn. Tifa cannot have more than 8 combo counters.
+1: Deal damage to target creature you don't control. Add one combo counter to Tifa.
-5: Remove all combo counters from Tifa, and deal X damage to target creature you don't control, where X is the number of counters removed.