Well, you can buy a constructed deck here.

Royal Paladin(750VB)(Requirement: Set 1)

Grade 0

1x Barcgal(Banned when unlocked BT03. Use others)
4x Bringer of Good Luck Epona
4x Future Knight, Llew
4x Flogal
4x Yggdrasil Maiden Elaine

Grade 1

3x Little Sage Marron
3x Lake Maiden, Lien
3x Pongal
3x Dream Painter
3x Wingal

Grade 2

3x Blaster Blade
4x Knight of Silence, Gallatin
3x High Dog Breeder, Akane

Grade 3

2x Soul Saver Dragon
2x King of Knights, Alfred
4x Solitary Knight, Gancelot

Kagero(1000VB)(Requirement: BT04)

Grade 0

1x Amber Dragon, Dawn
4x Blue-Ray Dracokid
4x Lizard Soldier, Ganlu
4x Dragon Monk, Genjo
4x Dragon Dancer, Monica

Grade 1

4x Amber Dragon, Daylight
3x Dragon Monk, Gojo
3x Flame Of Hope, Aremo
3x Flame of Promises, Aremo
2x Wyvern Guard Barri

Grade 2

4x Amber Dragon, Dusk
4x Lava Arm Dragon
2x Berserk Dragon

Grade 3
4x Amber Dragon, Eclipse
2x Dragonic Overlord
2x Dragonic Waterfall

Shadow Paladin(1.5K VB)(Requirement: BT04)

Grade 0

1x FullBau
4x Death Feather Eagle
4x Grim Reaper
4x Abyss Healer
4x Abyss Freezer

Grade 1

4x Blaster Javelin
2x Black Sage Charon
3x Dark Shield Mark Lir
3x Nightmare Painter
3x Witch of Secret Medicine, Arianrhod

Grade 2

3x Blaster Dark
4x Knight of Darkness, Rugoth
3x Demon World Castle, Donnerschlag

Grade 3
3x Phantom Blaster Dragon
3x Phantom Blaster Overlord
2x Dark Magician, Babd Catha