MTG Salvation

I want to reward people for splashing a third color in my deck by having good archetypes that are in three-colors rather than just them picking the goodstuff. The first archetype that came to my mind was Bant Bounce. Right now, the cards that support this archetype are cards that are good on their own (most are found in all cubes), but I need some more blinking cards as well as good ETB / LTB green and blue creatures. This is the list I currently have:

• Kavu Climber
  
• Lone Missionary
  
• Centaur Healer
  
• Ambassador Oak
  
• Attended Knight
  
• Kozilek's Predator
  
• Mulldrifter
  
• Aven Riftwatcher
  
• Momentary Blink
  
• Kor Skyfisher
  
• Silver Drake
  
• Whitemane Lion

Also considering Cloudshift, Elvish Visionary, Nest Invader and Steel Leaf Paladin, although I'm not sure if they're good enough on their own to warrant inclusion on the cube.

I also need ideas for the other shards archetypes.

Thanks.

Here are some creatures and enablers that come to mind:

Aethersnipe
Vedalken Dismisser
Wispmare
Cloudchaser Eagle
Seller of Songbirds
Gryff Vanguard
Shrieking Drake
Turn to Mist
Sanctum Gargoyle
Withdraw
Curfew

Griffin Dreamfinder
Bond Beetle
Deputy of Acquittals
Leonin Snarecaster
Court Street Denizen
Wizard Mentor
Yeva's Forcemage
Merfolk Traders
Somnomancer
Niblis of the Mist

It occurred to me later that the bestow creatures from Theros block (e.g. Nimbus Naiad) also seem like they would lend themselves well to a deck that wants to bounce its own creatures, and they would work just fine for any number of other types of decks.