Tyranitar (mixed): Stealth Rock, Flamethrower, Stone Edge, Crunch
Tyranitar (all Physical with SR): Stealth Rock, Stone Edge, Earthquake, Crunch
Dugdrio: Rock Slide/ Stone Edge, Earthquake, Sucker Punch/ Night Slash, *filler move* (whether it be Hone Claws, Aerial Ace, or Substitute is up to you).
Alakazam: Perfect. That's the typical Alakazam moveset, and it does work.