: Whenever you cast or copy an instant or sorcery spell, put a loyalty counter on Promise, Dragon Scholar

0: Add {W}, {U}, or {R} to your mana pool. Spend this mana only to cast instant or sorcery spells.

-3: Whenever you cast your next instant or sorcery spell this turn, copy it. You may select new targets for the copy.

-9: You gain an emblem with "Instant and Sorcery spells cost {W}{U}{R} less to cast" and "Whenever you cast an instant or sorcery spell, copy it. You may choose new targets for the copy.