(CFV) Need help on creating a new deck

[Dragonic Overlord]

So I am having a bit of trouble at the moment to decide what my deck should have in it, However, I only have a Trial deck that I tweaked a bit with a few boosters, and here's what I got:

 

G3:

x1 Seeker, Sacred Wingal

x2 Secret Sword Seeker, Vortigern

x4 Blueish Flame Seeker, Tarranis

 

G2:

x1 Blaster Blade

x1 Blaster Blade Seeker

x1 Full Bloom Seeker, Cerdic

x3 Provocation Seeker Blumental

x4 Natural Talent Seeker, Valrod

x2 Bladgal Seeker

G1:

x4 Seeker, Youthful Mage

x2 Righteousness Seeker, Gangaren

x4 Honest Seeker Cynric

x2 Seeker, Rune Eagle

x1 Lake Maiden Lien

x1 Seeker, Tranquil Unicorn

 

G0:

x4 Impact Seeker Mordoran (Critical Trigger)

x4 Siren Seeker Marris (Stand Trigger)

x4 Seeker Loving Healer (Heal Trigger)

x4 Messegal Seeker (Draw Trigger)

x1 Bravery Seeker Marc

 

If you have any suggestions on what to take out or add, let me know! Thank you for your time!