Looking for some Advice on Earthbound deck

The following is my deck.

Monsters

2x Earthbound Immortal Ccapac Apu: 10* Dark Fiend 3000/2500
- There can only be 1 face-up "Earthbound Immortal" monster on the field. If there is no face-up Field Spell Card on the Field, destroy this card. Your opponent cannot select this card as an attack target. This card can attack your opponent directly. If this card destroys an opponent's monster by battle, inflict damage to your opponent equal to the destroyed monster's ATK.

2x Earthbound Immortal Chacu Challhua: 10* Dark Fish 2900/2400
- There can only be 1 face-up "Earthbound Immortal" monster on the field. If there is no face-up Field Spell Card on the field, destroy this card. Your opponent cannot select this card as an attack target. This card can attack your opponent directly. While this card is in face-up Defense Position, your opponent cannot conduct their Battle Phase. Once per turn, you can inflict damage to your opponent equal to half the DEF of this card. This card cannot attack the turn this effect is used.

3x Earthbound Immortal Aslla Piscu: 10* Dark Winged Beast 2500/2500
- There can only be 1 face-up "Earthbound Immortal" monster on the field. If there is no face-up Field Spell Card on the field, destroy this card. Your opponent cannot select this card as an attack target. This card can attack your opponent directly. When this card is removed from the field, except by its own effect, destroy all face-up monsters your opponent controls, and inflict 800 damage to your opponent for each monster destroyed.

2x Hardened Armored Dragon: 4* Earth Dragon 1500/800
- You can send 1 Level 8 or higher monster from your hand to the Graveyard and Special Summon this card. If you Tribute this card for the Tribute Summon of a Level 7 or higher monster, that monster cannot be destroyed by card effects.

1x Marshmallon: 3* Light Fairy 300/500
- The controller of a monster that attacks this face-down card takes 1000 damage after damage calculation. This card cannot be destroyed by battle. (Damage calculation is applied normally.)

3x Ryko, Lightsword Hunter: 2* Light Beast 200/100
- FLIP: You can target 1 card on the field; destroy that target. Send the top 3 cards of your Deck to the Graveyard.

3x Shiba - Warrior Taro: 2* Earth Beast Warrior/Tuner 800/600
- This card cannot be destroyed by battle. When a card on the field is destroyed by battle or by a card effect, return this face-up card to its owner's hand.

3x Spirit Reaper: 3* Dark Zombie 300/200
- This card cannot be destroyed by battle. Destroy this card when it is targeted by a Spell, Trap, Spell/Trap effect, or Effect Monster effect. When this card inflicts Battle Damage to your opponent by a direct attack, your opponent randomly discards 1 card.


Spell Cards

1x Allure of Darkness
- Draw 2 cards, then banish 1 DARK monster from your hand, or, if you don't have any in your hand, send all cards in your hand to the Graveyard.

1x Book of Moon
- Target 1 face-up monster on the field; change that target to face-down Defense Position.

1x Dark Hole
- Destroy all monsters on the field.

1x Heavy Storm
- Destroy all Spell and Trap Cards on the field.

3x Mausoleum of the Emperor: Field Spell Card
- Both players can Normal Summon or Set monsters without Tribute(s) by paying 1000 Life Points x the number of monsters needed to Tribute Summon them.

1x Messenger of Peace
- During each of your Standby Phases pay 100 Life Points or destroy this card. Neither player can declare attacks with face-up monsters with 1500 or more ATK.

1x Monster Reborn
- Special Summon 1 monster from either player's Graveyard to your side of the field.

2x Mystical Space Typhoon
- Target 1 Spell/Trap Card on the field; destroy that target.

1x Swallow's Nest
- Tribute 1 face-up Winged Beast-Type monster you control to Special Summon 1 Winged Beast-Type monster from the Deck with the same Level as the Tributed monster.

2x Swords of Revealing Light
- Flip all monsters your opponent controls face-up. This card remains on the field for 3 of your opponent's turns. While this card is face-up on the field, monsters your opponent controls cannot declare an attack.

2x Terraforming
- Add 1 Field Spell Card from your Deck to your hand.


Trap Cards

2x Call of the Haunted
- Target 1 monster in your Graveyard; Special Summon that target in face-up Attack Position. When this card leaves the field, destroy that target. When that target is destroyed, destroy this card.

3x Royal Decree
- Negate the effects of all other Trap Cards on the field.


Totals
40 Cards
7 Tribute Monsters
12 Level 4 or less monsters (10 of which cannot be destroyed as a result of battle)
16 Spell Cards
5 Trap Cards


Any and all suggestions or commentary is welcome and appreciated. I'm always looking to make my deck better.

We have a deck depot.

http://forum.duelingnetwork.com/f50-deck-construction

Sorry I'm new. My apologies. If a moderator wishes to move it, that'd be cool with me.