A deck for my friend, who has always liked the White Knight. Throw down Knights. Abuse protection and synergy. And first strike, at all times. Later: Fly, and/or return from the grave. Neat.
A majority of the Knights are 3CMC, for use with Aether Vials. This is also why the odd mana curve works smoothly.
The Cards:
White Knight: Fluff :D
Knight of the White Orchid: Mana acceleration, minimizes impact of Path to Exile. And Orchids are cool.
Fiendslayer Paladin: pseudo-R/B Protection, Lifelink. Useful for slaying fiends.
Knight Exemplar: Who doesn't like a gal giving out +1/+1 indestructible? 2+ on the field leads to shenanigans.
Mirran Crusader: Double strike, B/G protection. Eats elves, especial while crusading.
Stillmoon Cavalier: Protection B/W. Pay-to-win first strike, flying, +1/+0. Literal black sheep of the deck. And by sheep, I mean zombie.
Kinsbaile Cavalier (aka Bobby): Double strike for all? What a great ability! Wait, you're not Human? Riding a goat? That boy ain't right.
Moorish Cavalry A Knight with Trample. Trying him out right now, but should be entertaining.
Aether Vial: Pumps out Knights. Frees up mana.
Sword of Fire and Ice: Only source of Blue protection, fun ability. Also, double strike abuse.
Elspeth, Knight-Errant: Mostly used to make larger flying knights.
Path to Exile: "Look at my awesome creature!" "Here, have a land instead."
Brave the Elements: What enrages your opponent more than the inability to block that one Knight you have with Protection? When all your Knights suddenly get Protection. All. Of. Them.
Flagstones of Trokair: Works as a Plains, destroys additional copies to get more Plains to thin down the deck.
Emeria, the Sky Ruin: Creatures returning from the grave? To the Battlefield?!? Where have you been all my life! (Only starts up near the end, but that is when it is needed)
Cavern of Souls: Stops counterspells. Makes the deck more expensive and fancy looking. Gives you the ability to choose creature type "Troll" and confuse the shit out of someone.
Wrath of God: Wonderful mass removal. And Knight Exemplar makes the wipe one sided.
Plains: Useful in Mono-white decks, abuse the "more than 4" rule. Added bonus that you can get these for free most the time. Seriously, people just hand them out. Wait, did you just read this justification of a basic land?
And for those of you who don't need the fluff, switch out White Knight for Knight of the Holy Nimbus