Urabrask

First strike
Whenever you cast an instant or sorcery spell,
Urabrask deals 1 damage to target opponent.
Add {r}.
{r}: Exile Urabrask, then return it to the
battlefield transformed under it's owners
control. Activate only as a sorcery and only if
you've cast three or more instant and/o sorcery
spells this turn.