My team-to-be on LeafGreen, for in-game use only:
~Charizard, Impish nature
Flamethrower, Heat Wave, Wing Attack, Slash
~Pidgeot, Adamant nature
Steel Wing, Fly, Wing Attack, Aerial Ace
~Clefable, --- nature
Return, Softboiled, Cosmic Power, Psychic
~Raichu, Rash nature
Thunder, Thunderbolt, Shock Wave, Strength
~Vaporeon, --- nature
Surf, Ice Beam, Water Pulse, Aurora Beam
~Dragonite, --- nature
Earthquake (if learnable), Dragon Claw, Wing Attack, Twister