Red Nova

Earthbound Immortal K'iri-Puka Nova
Level 10 DARK Fiend Effect Monster
ATK/3500
DEF/3000
There can only be 1 "Earthbound Immortal" monster on the field. If there is no face-up Field Spell on the field, destroy this card. Your opponent's monsters cannot target this card for attacks. This card can attack directly. Other monsters you control cannot attack. Cannot be destroyed by other card effects. Once per turn, if this card (and no other cards) is targeted by an opponent's card effect (Quick Effect): You can target 1 card your opponent controls; destroy it.

Crimson Familiar
Level 4 DARK Fiend Effect Monster
ATK/1600
DEF/0
You can Tribute 1 Fiend monster, then target 1 Level 4 or lower Fiend monster in your GY with a different name; Special Summon it. If this card is sent from the field to the GY: You can add 1 card from your Deck to your hand that specifically lists the card "Earthbound Immortal K'iri-Puka Nova" in its text. You can only use each effect of "Crimson Familiar" once per turn.

Crimson Spirit
Level 2 FIRE Fiend Effect Monster
ATK/1000
DEF/0
If you control a "Crimson Spirit": You can Special Summon this card from your hand. If this card is Normal or Special Summoned: You can add 1 "Earthbound Immortal K'iri-Puka Nova"

Crimson Acolyte
Level 8 DARK Fiend Tuner Effect Monster
ATK/2500
DEF/0
If this card is Normal or Special Summoned: You can target 1 Level 4 or lower Fiend monster in your GY; Special Summon it in Defense Position, but negate its effects, also send it to the GY during the End Phase. If an "Earthbound Immortal K'iri-Puka Nova" you control is sent to your GY while this card is in your GY: You can Special Summon this card in Defense Position. You can only use each effect of "Crimson Acolyte" once per turn.

Crimson Watchmen
Level 3 DARK Fiend Effect Monster
ATK/0
DEF/800
You can Tribute this card; Special Summon 2 "Crimson Immortal Tokens" (FIRE/Pyro/Level 1/ATK 500/DEF 500), also you cannot Normal or Special Summon monsters for the rest of this turn, except "Earthbound Immortal K'iri-Puka Nova". You can banish this card from your GY; Special Summon 1 Level 4 or lower Fiend monster from your hand in Defense Position.

Crimson Immortal Fiend
Level 10 DARK Fiend Synchro Effect Monster
ATK/3000
DEF/0
"Crimson Acolyte" + 1+ non-Tuner monsters
Once per turn: You can target 1 face-up card your opponent controls; destroy it, and if you do, inflict 600 damage to your opponent. If this card is sent to the GY: You can add 1 "Earthbound Immortal K'iri-Puka Nova" from your Deck to your hand.

Earthbound Temple
Continuous Spell Card
When this card is activated: You can add 1 "Earthbound Geoglyph" from your Deck to your hand.

Earthbound Immortal Battle Ritual
Normal Spell Card
Tribute 2 monsters; Special Summon 1 "Earthbound Immortal" monster from your Deck, ignoring its Summoning conditions. You can banish this card from your GY and Tribute 2 monsters you control; Special Summon 1 "Earthbound Immortal K'iri-Puka Nova" from your GY. You can only use 1 "Earthbound Immortal Battle Ritual" effect per turn, and only once that turn.

Serpent Geoglyph
Quick-Play Spell Card
1 "Earthbound Immortal K'iri-Puka Nova" you control gains the following effects until the end of this turn. This card's activation and effect cannot be negated.
● Can attack all monsters your opponent controls, once each.
● Gains 500 ATK for each monster in your GY.

Serpents of Red Nova
Continuous Trap Card
If your opponent Normal or Special Summons a monster(s): You can reduce the ATK of that monster by 800, and if you do, inflict damage to your opponent equal to that lost ATK. If you control "Earthbound Immortal K'iri-Puka Nova", and the ATK of the Summoned monster becomes zero by this effect: Destroy that monster.