Forum:Zombie deck need help

i just started playing again, and i decided to make a zombie deck, here it is anything to help make this a better deck would be greatly appreciated. thanks to all those who help in advance.

Monsters:21

Immortal Ruler x1

Red-Eyes Zombie Dragon x3

spirit reaper x1

zombie master x1

il blud x1

muzuki x1

pyramid turtle x3

exiled force x3

paladin of cursed dragon x3

giant rat x2

goblin zombie x2

Spells:19

book of life x3

zombie world x3

terraforming x1

demise of the land x1

shrink x1

monster reborn x1

card of safe return x1

card destruction x1

call of the mummy x3

creature swap x1

pot of avarice x1

gravekeeper's servant x1

lightning vortex x1

Traps:8

trap of the imperial tomb x2

tutan mask x1

imperial iron wall x1

spell shield type-8 x1

destruction jammer x1

raigeki break x2

Side deck:15

prohibition x2

mst x1

dust tornado x1

nobleman of crossout x2

needle worm x3

soul-absorbing bone tower x3

inferno reckless summon x1

cemetary bomb x2