ok guys I'm About to face Gary and then elite four for 2nd time in HG, please rate my team, criticism is welcome

Rhyhorn lvl36 (grinding up to Rhydon)
Ability:
>Rock head
Held item:
>Macho Brace
Moves:
>Thunder
>Blizzard
>Rock Blast
>Take Down

Scyther lvl53
Ability:
>Swarm
Held item:
>Amulet coin
Moves:
>Air Slash
>Cut
>U-Turn
>False swipe (for catching wilds)

Gyarados lvl53
Ability:
>Intimidate
Held item:
>NeverMeltIce
Moves:
>Surf
>Avalanche
>Dragon Dance
>Strength

Continued...