...

Twilight Dragon Quetzalcoatl
[Level 11/LIGHT/Wyrm/Fusion/Effect/4000/4000]
"Sun Dragon Inti" + "Moon Dragon Quilla"
Must be Special Summoned (from your Extra Deck) by banishing the above cards you control, and cannot be Special Summoned by other ways. (You do not use "Polymerization".) This card's Fusion Summon cannot be negated. If this card attacks a monster: Gain LP equal to half the attack target's ATK. If this card destroys an opponent's monster by battle: You can target 1 "Supay" or "Fire Ant Ascator" in your Graveyard; Special Summon it, in face-up Defense Position. If this card on the field is destroyed, during the Standby Phase of the next turn: You can target 1 "Sun Dragon Inti" or "Moon Dragon Quilla" in your Graveyard; Special Summon that target.

Lightray Genesis
[Level 8/LIGHT/Zombie/Effect/3000/2100]
Cannot be Normal Summoned/Set. Must be Special Summoned (from your hand) by banishing 1 Level 5 to 7 LIGHT Special Summoned monster you control, and cannot be Special Summoned by other ways. Once per turn: You can discard 1 LIGHT monster to the Graveyard, then target 1 "Lightray" monster in your Graveyard with a Level less than the discarded monster's; Special Summon that target, ignoring any Summoning conditions, and if you do, send 1 card with the same name as the Summoned monster from your Deck to the Graveyard.

Lightray Ha Des
[Level 6/LIGHT/Zombie/Effect/2450/1000]
You can Tribute 1 Level 4 or higher LIGHT monster; Special Summon this card (from your hand). You can only Special Summon 1 "Lightray Ha Des" once per turn this way. Negate the effects of monsters destroyed by battle with LIGHT monsters you control. If this card destroys an opponent's monster by battle: You can add 1 "Lightray" monster from your Deck to your hand, except "Lightray Ha Des".

Contract of Blood
Ritual Spell Card
This card can be used to Ritual Summon any DARK Ritual Monster. Tribute monsters from your hand or field, then Ritual Summon a DARK Ritual Monster from your hand whose Level exactly equals the total Levels of that monster. Then, send 1 DARK or Fiend-Type monster from your Deck to the Graveyard. The Summoned monster cannot be destroyed by card effects.