Classic white, right
Those are all solid choices with good use rates, and while Im not going to run out and buy bundles/cards immediately, Im almost certainly going to snag a couple of personal copies early and spec buying six months from now
Three are Esper (white, blue, and black), one is Grixis (blue, black, and red), one is Jund (black, red, and green), three are Mardu (white, black, and red), one is Abzan (white, black, and green), two are Sultai (blue, black, and green), and one uses all five colours.
At the very least you can manipulate the top of your deck with cards like Sensei's Divining Top and Scroll Rack, so at least one of your hits is what you want each turn
Kain, Traitorous Dragoon Rarity: Rare TYPE: Legendary Creature SUBTYPE: Human Knight CMC: 3 Mana cost: USD: $6.22 EUR: 2.92 TIX: 0.00 EDHREC RANK: 8436 (2/4) Jump During your turn, Kain has flying
1 2 "4Kids Entertainment Inc."