Radagon of the Golden Order

Instant, sorcery, and Dragon spells you control
can't be countered by spells or abilities.

Whenever you cast an instant or sorcery
spell from your hand, if Radagon attacked
this turn, that spell gains rebound.

"As the husband of Rennala of Caria, the red
-haired Radagon studied sorcery, and as the
husband of Queen Marika, he studied
incantations."