мой подарок

my gift

→ мой
phrase Rare #41,956
my gift Мой is used here because подарок is masculine; the form changes to agree with the noun.
RU: Я оставил мой подарок на столе.
EN: I left my gift on the table.

Ты получил мой подарок?

Did you receive my gift?

Какой козел забрал мой подарок!

What an asshole took my gift!

— Деликатесы (1991)