R/F my Gladiator beast deck. :D

Hey guys, what should I do with this deck to make it better? Help appreciated!

Btw: I prefer the Tiger-less build.

MONSTERS: 12

Thunder King Rai-Oh X2
GB Bestiari X1
GB Laquari X2
GB Equeste X2
GB Murmillo X1
GB Hoplomus X2
GB Darius X1
GB Retiari X1

SPELLS: 11

Book Of Moon X1
Gladiator Proving Ground X3
Smashing Ground X2
Monster Reborn X1
Dark Hole X1
Giant Trunade X1
M.S.T X2

TRAPS: 18

Solemn Warning X2
Solemn Judgment X1
Seven Tools Of The Bandit X2
Trap Stun X1
Torrential Tribute X1
C.E.D X2
Bottomless Trap Hole X2
Mirror Force X1
D. Prison X2
Dust Tornado X2
GB war chariot X2

Side Deck:
(Nothing so far ._.)

-1 hoplo
-2 smashing
+1 chariot
+1 effect veiler
+1 darius

Thanks, ^^