Mind’s Ascension

Whenever you cast an instant or sorcery put a mind counter on this.
0-2: At your upkeep target opponent reveals a random card from their hand
3-7: Instants and Sorceries you cast cost {1} less
8-10: Instants and Sorceries you cast cost {2} less
11+: You may cast one instant or sorcery from your graveyard each turn. That spell gets exiled after it resolves