Keeper of the Truth

|Truth Keeper, Mystical Maiden|||Spellcaster/Effect|Light|4||1500|1500|When this card is summoned, add 1 "Theurgy Sign" spell card from your deck or graveyard to your side of the field. You can send a "Sign" Spell card you control to the graveyard, all of your monsters cannot be destroyed by battle until the end phase.|

|Truth Keeper, Romantic Magician|||Spellcaster/Effect|Light|4||1900|0|When this card is normal summoned, add 1 "
Magic Sign" from your deck to your hand. When this card inflicts battle damage to your opponent, you can send 1 "Sign" spell card you control to the graveyard, destroy 1 card on the field.|

|Truth Keeper, Priestess if the Wind|||Spellcaster/Effect|Wind|4||0|2100|When this card is normal summoned or flipped face-up, activate 1 "Thaumaturgy Sign" Spell Card from your deck. Once per turn, you can return 2 "Sign" Spell card from your graveyard to the deck to special summon 1 "Truth Keeper" monster from your deck.|

|Theurgy Sign: Cosmic Seal|||Spell Card|Spell|||||This card stays face-up on the field until your 2nd next end phase. When this card is activated, increase the ATK of all "Mystical Maiden" monsters on the field by 400. Your opponents monster cannot declare an attack as long as this card remains face-up on the field. When a "Mystical Maiden" destroys an opponent monster by battle, you can add 1 "Truth Keeper" monster from your deck.|

|Magic Sign: Starlight Blast|||Spell Card|Spell||Quick-play|||You can only activate this card if you control a face-up "Romantic Magician". Negate the summon of a monster and destroy it. This card stays face-up on the field until the end phase. When this card is sent to the graveyard by a card effect, increase the ATK of all "Truth Keeper" monster you control by 300.|

SAMPLE. it's currently somewhat a placeholder since:
1. Still need to finish the cards
2. Still need to finalize the concept
3. Still want to think about this first