I am done with White, now on to Blue!
Waterfront Bouncer (4.540) Bounder (hence the name). UG Madness with Guilded Drake.
Man-o'-War (4.333) Bouncer. Like Aether Adept.
Ophidian (3.463) Cantrip with a downside. If made unblockable, its card draw every turn.
Sea Drake (4.306) Gatherer: "The primary card in the Faerie Stompy deck." Drop it with Sol Ring and an Island on turn 1.
Muzzio, Visionary Architect (4.333) Similar to Arcum Dagsson. Can be used to drop a second Wurmcoil Engine.
Rescind (3.081) Cycling bouncer for permanents: awesome.
Volrath's Shapeshifter (4.500)
Can discard to the top of your graveyard any creature and this card copies it into play. Can combo with Tortured Existence.
Circular Logic (4.314) Madness counterspell that uses the graveyard.
Frantic Search (4.594) Similar to Brainstorm. Goes with Pyromaster Ascension. Goes with High Tide.
Krovikan Sorcerer (3.268) Blue black self-mill and/or reanimator.
Serendib Efreet (4.583) 3 drop 3/4 flyer with minor downside.
Skywing Aven (2.500) Limited flyer.
Academy Elite (3.083) Born for a Tibalt deck. Also good in a Delver/Snapcaster Mage Instants and Sorceries deck.
Choking Tethers (3.703) Tapper.
Deep Analysis (4.326) Can trip with Flashback for 3 life.
Keeneye Aven (1.925) Limited flyer.
Plea for Power (4.000) Either way the result is good for 4 mana. A cheap Time Warp.
Thalakos Drifters (3.265) If opponent does not have a creature with shadow, this creature decomes unblockable for one discarded card.
Turnabout (4.518) Awesome tapper. Can self tap with High Tide. Part of Stasis deck.
Killer Whale (3.485) Limited flyer.