Babylon

Babylon Coatl
Level 4 LIGHT Astro/Tuner/Effect
1400/1000
If this card is Normal or Special Summoned: You can add 1 "Babylon" Spell/Trap from your Deck to your hand. During your Main Phase, if this card is Normal or Special Summoned: You can target 1 face-up monster your opponent controls; its becomes Level 4, and if you do, immediately after this effect resolves, Synchro Summon 1 Astro Synchro Monster using only this card you control and that monster. You can only use each effect of "Babylon Coatl" once per turn.

Babylon Serpent
Level 8 LIGHT Astro/Synchro/Effect
2500/2500
1 Tuner + 1+ non-Tuner Astro monsters
Once per turn, if you activate a "Babylon" Spell/Trap Card: This card gains 1000 ATK. You can only use each of the following effects of "Babylon Serpent" once per turn. If this card is Synchro Summoned: You can add 1 "Babylon" Spell/Trap from your GY to your hand. If this face-up card leaves the field: You can target 1 card on the field; destroy it.

Babylon Scales
Quick-Play Spell
Add 1 "Babylon Coatl" from your Deck to your hand. If "Babylon Serpent" is in your Monster Zone, you can destroy 1 Spell/Trap your opponent controls instead. You can only activate 1 "Babylon Scales" per turn.

Babylon Tails
Quick-Play Spell
Add 1 "Babylon" Spell/Trap from your Deck to your hand, except "Babylon Tails". If "Babylon Serpent" is in your Monster Zone, you can destroy 1 monster your opponent controls instead. You can only activate 1 "Babylon Tails" per turn.

Babylon Head
Quick-Play Spell
Discard 1 "Babylon" card, and if you do, draw 2 cards. If "Babylon Serpent" is in your Monster Zone, you can make 1 face-up monster your opponent controls lose 1000 ATK until the end of this turn. You can only activate 1 "Babylon Head" per turn.

Babylon Cycle
Quick-Play Spell
Special Summon 1 "Babylon Coatl" from your Deck. If "Babylon Serpent" is in your Monster Zone, you can apply this effect instead.
● Discard 1 "Babylon" card, and if you do, draw 2 cards.
You can only activate 1 "Babylon Cycle" per turn.

Babylon Rebirth
Field Spell
Monsters your opponent controls lose 400 ATK/DEF for each "Babylon" Spell/Trap in your GY. You can only use each of the following effects of "Babylon Rebirth" once per turn. If you control no "Babylon Serpent": You can discard 1 "Babylon" Spell/Trap; Special Summon 1 "Babylon Serpent" from your Extra Deck. (This is treated as a Synchro Summon.) When a monster declares an attack: You can banish 1 "Babylon" Spell/Trap from your GY; negate that attack.

Babylon Demise
Quick-Play Spell
When a monster your opponent controls activates its effect while you control an Astro monster: Negate that effect, and if you do, if you control "Babylon Serpent", you can make that face-up monster your opponent controls lose 2500 ATK/DEF until the end of this turn. You can only activate 1 "Babylon Demise" per turn.

Babylon Grid
Quick-Play Spell
During the Battle Phase, when your opponent activates a Spell/Trap Card: Negate that effect, and if you do, if you control "Babylon Serpent", you can add 1 "Babylon" card from your Deck to your hand, except "Babylon Grid". You can only activate 1 "Babylon Grid" per turn.

Babylon Core
Continuous Trap
If you control "Babylon Serpent", you can activate this card the turn it was Set. If you activate a "Babylon" Quick-Play Spell, you can add this additional effect to that card's effect at resolution.
● Also after that, inflict 800 damage to your opponent.
You can banish this card from your GY; add 1 "Babylon Rebirth" from your Deck or GY. You can only use this effect of "Babylon Core" once per turn.