Team Building

It's quite embarrassing, but i am in dire need of good team to finish chain challenge 11 12 and arena. Here is the list 4 stars and 5 stars that i currently use :

RED :
Ayra (+Atk -HP) Has Wrath and Threaten Defense
L!Ike +1 (+Def -HP) Has Vantage 3 and Quick Riposte 3
Elincia (+Atk -HP) Has Foritfy Flier and Moonbow
Ryoma (+HP -Def) Has Fury 3
Arvis (Neutral) Has Fury 3
Black Knight (Neutral) Has Vantage 3
Siegbert (Neutral) Has Desperation 3
Leif (+Spd -HP) Has Death Blow 3
F!Celica (+Spd -HP) Has Fury 3 and Infantry Pulse 3
Sigurd (+Def -HP) Has Bonfire and Fortify Cavalry
Xander (Neutral) Has Fury 3, Quick Riposte 3, Vantage 3 and Hone Cavalry
Olivia 4 Star +8 (+Atk -HP) Has Ruby Sword, Escape Route 3 and Spur Attack

BLUE :
LA!Eliwood +1 (Neutral)
Nephenee +2 (+Def -HP) Has Fury 3
Fjorm +1 (+Atk -HP) Has Fury 3
Tana (-Atk +Spd) Has Fury 3, Vantage 3 and Fortify Flier
Hardin (+Def -Res) Has Fortify Armor
Reinhardt (+Atk -Spd) Has Moonbow
Nowi +1 (+Def -HP) Has Fury 3 and Quick Riposte 3
L!Ephraim (+Atk -Def) Has Moonbow
Ephraim (+HP -Def) Has Fury 3, Desperation 3 and Siegmund Refine
Micaiah (+Def -Res) Has Res +3 seal
Camus (Neutral) Fury 3 and Vantage 3
Valter (Neutral)
Finn (Neutral)
Ursula 4 Star (Neutral) Has Swordbreaker 2

Green :
LA!Hector (+Def -HP) Has Wary Fighter 3 and Hone Armor
F!Robin M +1 (+HP -Def) Has Fury 3 and Hone Armor
Amelia (+Atk -Spd) Has Brazen Def Res 3
Nino +2 (+Atk -HP) Has Fury 3 and Desperation 3
S!Sharena (+Def -HP) Has Glacies
Gunnthra (+Atk -Def) Has Darting Blow 3
B!Ike (+Def -HP)
LA!Lilina (+Spd -HP)
Gerome (Neutral)
Michalis (Neutral)

COLORLESS :
B!Lyn (+Atk -Spd) +Life or Death 3 and Desperation 3
H!Jakob (+Atk -Def) Has Hone Armor
Maria (Neutral)
Priscillia (+Atk -Def)
WF!Hinoka (-Atk +HP)