Well, UU is epic. I'm the GL for it, too, so HERE I GO! I like makin' new teams. :D
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Froslass (F) @ Focus Sash
Trait: Cursed Body
EVs: 4 HP, 252 SpAtk, 252 Spe
Timid Nature
Spikes
Destiny Bond
Ice Beam
Taunt
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Victini (X) @ Choice Scarf
Trait: Victory Star
EVs: 4 HP, 252 Atk, 252 Spe
Adamant Nature
Bolt Strike
V-Create
U-turn
Zen Headbutt
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Swampert (M) @ Choice Band
Trait: Torrent
EVs: 4 Def, 252 HP, 252 Atk
Adamant Nature
Earthquake
Ice Punch
Stone Edge
Aqua Tail
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Suicune (X) @ Leftovers
Trait: Pressure
EVs: 4 Def, 252 HP, 252 SpDef
Calm Nature
Rest
Roar
Surf
Sleep Talk
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Yanmega (M) @ Life Orb
Trait: Speed Boost
EVs: 4 HP, 252 SpAtk, 252 Spe
Modest Nature
Bug Buzz
Air Slash
Hypnosis
Shadow Ball
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Roserade (F) @ Leftovers
Trait: Poison Point
EVs: 4 SpDef, 252 SpAtk, 252 Spe
Gentle Nature
Toxic Spikes
Spikes
Leaf Storm
Substitute
There you are. Hope this is a good one. My homemade sets aren't that good, but, eh, you never know. :D