What do you think of this idea for a quartet and master?

Azure Dragon
Type: Grass/Dragon
Ability: Spring Aura (Boosts the power of all Grass type moves by 33%)
Base Stats: 80/65/100/125/130/80
Moveset: Petal Dance, Dragon Pulse, Synthesis, Draco Meteor, Ancient Power, Giga Drain, Refresh, Aura Sphere, Psychic

Vermillion Sparrow
Type: Fire/Flying
Ability: Summer Aura (Boosts the power of all Fire type moves by 33%)
Base Stats: 65/125/80/130/80/100
Moveset: Flamethrower, Brave Bird, Mystical Fire, Ancient Power, Air Slash, Solar Beam, Energy Ball, Heat Wave, Sunny Day, Roost

White Tiger
Type: Flying/Steel
Ability: Autumn Aura (Boosts the power of all Flying type moves by 33%)
Base Stats: 80/130/100/65/80/125
Moveset: Iron Head, Acrobatics, Noble Roar, Crunch, Ice Fang, Thunder Fang, Fire Fang, Tailwind, Metal Claw, Roost, Iron Tail

Black Tortoise
Type: Ice/Water
Ability: Winter Aura (Boosts the power of all Ice type moves by 33%)
Base Stats: 100/80/130/80/125/65
Moveset: Surf, Ice Beam, Shell Smash, Coil, Recover, Aqua Jet, Freeze-Dry, Ancient Power, Aurora Veil, Frost Breath, Hydro Pump

Yellow Dragon
Type: Rock/Dragon
Ability: Center of Earth (Boosts the power of all Rock type moves by 33%)
Base Stats 110/125/125/100/110/100
Moveset: Rock Slide, Dragon Claw, Earth Power, Earthquake, Dragon Dance, Accelerock , Stealth Rock, Sandstorm