Here is the information for Set 5 (not confirmed yet). I will list out all the Champions, their costs, and their traits.
Set 5 Origins and Champions
Forgotten
Vayne [1], Warwick [1], Hecarim [2], Thresh [2], Viktor [2], Katarina [3], Draven [4], Ryze [4], Viego [5]
Nightbringer
Vladimir [1], Sejuani [2], Lee Sin [3], Morgana [3], Yasuo [3], Aphelios [4], Diana [4], Darius [5]
Coven
Lissandra [1], LeBlanc [2], Morgana [3]
Hellion
Ziggs [1], Kled [1], Poppy [1], Kennen [2], Lulu [3], Teemo [5]
Dragonslayer
Trundle [2], Pantheon [3], Diana [4], Mordekaiser [4]
Abomination
Kalista [1], Brand [2], Nunu [3], Ryze [4]
Redeemed
Aatrox [1], Diana [1], Syndra [2], Varus [2], Lux [3], Rell [4], Vel’Koz [4], Kayle [5]
Dawnbringer
Gragas [1], Kha’Zix [1], Soraka [2], Nidalee [3], Riven [3], Karma [4], Garen [5]
Verdant
Ashe [3], Taric [4], Kayle [5]
Draconic
Udyr [1], Sett [2], Ashe [3], Zyra [3], Heimerdinger [5]
Ironclad
Nautilus [2], Rell [4], Jax [4]
Eternal
Kindred [5]
Revenant
Nocturne [3], Ivern [4], Volibear [5]

Set 5 Classes and Champions
Assassin
Kha’Zix [1], LeBlanc [2], Katarina [3], Nocturne [3], Diana [4], Viego [5]
Ranger
Vayne [1], Varus [2], Ashe [3], Aphelios [4], Kindred [5]
Brawler
Gragas [1], Warwick [1], Sett [2], Nunu [3], Volibear [5]
Legionnaire
Aatrox [1], Kalista [1], Riven [3], Yasuo [3], Draven [4], Mordekaiser [4], Kayle [5]
Renewer
Lissandra [1], Vladimir [1], Soraka [2], Ivern [4], Heimerdinger [5]
Invoker
Syndra [2], Ivern [4], Karma [4], Teemo [5]
Knight
Leona [1], Poppy [1], Nautilus [2], Thresh [2], Taric [4]
Spellweaver
Ziggs [1], Brand [2], Viktor [2], Zyra [3], Vel’Koz [4]
Skirmisher
Udyr [1], Kennen [2], Trundle [2], Lee Sin [3], Nidalee [3], Pantheon [3], Jax [4], Viego [5]
Mystic
Lulu [3], Morgana [3], Lux [3], Ryze [4], Kindred [5]
Cavalier
Kled [1], Hecarim [2], Sejuani [2], Rell [4]
Cruel
Teemo [5]
God-King
Darius [5], Garen [5]
Caretaker
Heimerdinger [5]

You have Diana listed under Redeemed. I think it’s supposed to be Leona.