Thaag and Tures, Titanic Twin

Flying, menace, double strike
Whenever you cast an instant or sorcery that targets only Thaag and Tures, Titanic Twin, copy that spell targeting Thaag and Tures.
{1}{r}: Thaag and Tures deals 1 damage to each of up to two target creatures defending player
controls. Activate this ability only if Thaag and Tures is attacking.