Micolash, Lifelong Scholar

Lessons you cast cost {1} less.
Lessons in your graveyard have flashback
equal to their casting cost.
Micolash, Lifelong Scholar gets
+1/+1 for each Lesson you have in exile
and +1/+1 for each Lesson in your graveyard.
If you have 10 Lessons in exile, Micolash, Lifelong Scholar gains trample and deathtouch.