Rise of Champion Blazagni

I: Exile the top three cards of your library. You may play those cards for as long as you control this Saga.

II: Until the end of your next turn, players can't
gain life and damage can't be prevented.

III: This Saga deals 3 damage to any target. Repeat this process X times, where X is the number of red instant and sorcery cards exiled with this Saga.