Rate my National Dex Singles team. Pokemon Showdown [closed]

Question

1. Diancie @ light clay Nature - Jolly
   Ability - Clear Body
   EVs - 52 HP/ 252 Speed/ 4 Atk
   Role - Bulky Screen Setter
   Moves -
   Reflect
   Light screen
   Diamond storm
   Play rough

1. Kyurem @ leftovers
   Nature - Bold
   Ability - Pressure
   EVs - 252 HP/ 120 Def/ 136 Sp.Def
   Role - Bulky Damage Dealer
   Moves -
   Roost
   Earth power
   Ice beam
   Dragon pulse

1. Whimsicott @ wide lens
   Nature - Timid
   Ability - Prankster
   EVs - 252 speed/ 252 HP/ 4 sp.atk
   Role - Prankster Support
   Moves - Stun spore
   Leech seed
   Tailwind
   Giga Drain

1. Mega Charizard Y @ Charizardite Y
   Nature - Timid
   Ability - Drought
   EVs - 252 Speed/ 252 Sp.atk/ 4 hp
   Role - Fast Special Sweeper
   Moveset -
   Flamethrower
   Solar Beam
   Dragon Pulse
   Air Slash

1. Urshifu RS @ Leftovers
   Nature - Jolly
   Ability - Unseen Fist
   EVs - 252 speed/ 252 attack/ 4 hp
   Role :- Fast Physical Sweeper
   Moves- Close combat
   Surging strikes
   Aqua Jet
   Swords Dance

1. Kingambit @ Black glasses
   Nature - Adamant
   Ability - Supreme Overlord
   EVs - 252 Attack/ 252 HP/ 4 Def
   Role - Bulky Physical Sweeper
   Moveset - Kowtow Cleave
   Sucker punch
   Brick Break
   Iron Head

Comments

- See https://pokemondb.net/pokebase/rules for details, you have to give the reason you chose each member
- Highly recommend to use the Import/Export button on Showdown's teambuilder instead of typing out your whole team