Ascua, Who Invokes the Storm

Flying
Whenever you cast an instant or sorcery spell,
Ascua gets +1/+0 until end turn.
{r}, Discard a card: Summon a Shock. (Create a
red instant card token named Shock on exile with cost {r} and "Shock deals 2 damage to any target." You
may cast that card for as long as you control this.)