i only have the 3 field spell cards and 1 Synchro for this deck made up so far tell me what you all think or what i could do to make them better
Light Castle
Light Monsters on the field gain 800DEF and lose 500ATK and can not be destroyed by card effects. If this card you control is destroyed, you can add 1 "Dark Castle" or "Twilight Kingdom" field card from your deck to your hand.
Dark Castle
Dark Monsters on the field gain 800ATK and lose 500DEF and can not be destroyed by battle. If this card you control is destroyed, you can add 1 "Light Castle" or 1 "Twilight Kingdom" field card from your deck to your hand.
Twilight Kingdom
This card can only be activated if you have exactly 1 dark monster and 1 light monster removed from play. Dark monsters and light monsters you control face up on the field and in the grave can not be targeted by effects and can not be destroyed by battle. When a face up light monster you control is destroyed and sent to the grave increase your life points by the defense of that monster and return that monster from the grave back to the deck, the deck is then shuffled. When a face up dark monster you control is destroyed and sent to the grave inflict damage to your opponents life points equal to the attack of that monster and return that monster from the grave back to the deck, the deck is then shuffled. When this face up card is destroyed remove from play all dark and light monsters from your grave or you can instead remove from play 1 "Dark Castle" and 1 "Light Castle" from your grave.
Saiga, Dragonic Protector
1 Tuner dark monster + 1 or more non-Tuner light monsters.
This card can only be Synchro summoned, this card can only be Synchro summoned by sending 1 Tuner dark monster from your hand to the grave, the other non-Tuner light monster(s) must be removed from play from the grave. Once per turn you can switch this face up attack position monster to face up defense position, this card can not change battle position until the end of your next turn, if you do this your opponent can not activate effects for 1 turn. Your opponent can only attack this face up card. When this card is removed from the field destroy all cards on the field and special summon the monsters used to synchro summon this monster, they are destroyed at the end of the turn.
Light Castle
Light Monsters on the field gain 800DEF and lose 500ATK and can not be destroyed by card effects. If this card you control is destroyed, you can add 1 "Dark Castle" or "Twilight Kingdom" field card from your deck to your hand.
Dark Castle
Dark Monsters on the field gain 800ATK and lose 500DEF and can not be destroyed by battle. If this card you control is destroyed, you can add 1 "Light Castle" or 1 "Twilight Kingdom" field card from your deck to your hand.
Twilight Kingdom
This card can only be activated if you have exactly 1 dark monster and 1 light monster removed from play. Dark monsters and light monsters you control face up on the field and in the grave can not be targeted by effects and can not be destroyed by battle. When a face up light monster you control is destroyed and sent to the grave increase your life points by the defense of that monster and return that monster from the grave back to the deck, the deck is then shuffled. When a face up dark monster you control is destroyed and sent to the grave inflict damage to your opponents life points equal to the attack of that monster and return that monster from the grave back to the deck, the deck is then shuffled. When this face up card is destroyed remove from play all dark and light monsters from your grave or you can instead remove from play 1 "Dark Castle" and 1 "Light Castle" from your grave.
Saiga, Dragonic Protector
1 Tuner dark monster + 1 or more non-Tuner light monsters.
This card can only be Synchro summoned, this card can only be Synchro summoned by sending 1 Tuner dark monster from your hand to the grave, the other non-Tuner light monster(s) must be removed from play from the grave. Once per turn you can switch this face up attack position monster to face up defense position, this card can not change battle position until the end of your next turn, if you do this your opponent can not activate effects for 1 turn. Your opponent can only attack this face up card. When this card is removed from the field destroy all cards on the field and special summon the monsters used to synchro summon this monster, they are destroyed at the end of the turn.