Mt, mt, mt.

Mazel tov
ma·zel tov also ma·zal tov
interj.

Used to express congratulations or best wishes.

[Mishnaic Hebrew mazzāl ṭôb, good luck : mazzāl, constellation, destiny (ultimately from Akkadian manzaltu, mazzaztum, position of a star, from izuzzu, to stand) + ṭôb, good.]