promirdials

Primordial Brontosaurus
FIRE Dinosaur/Effect
L7 2500/300
While this card is on the field, you can only Xyz Summon "Primordial" monsters. If this card is Special Summoned by a monster effect: You can target 1 FIRE "Primordial" monster in your Graveyard, except "Primordial Brontosaurus"; Special Summon that target, but destroy it during your End Phase. If this card was sent to the Graveyard after being destroyed by a card effect or for the activation of a FIRE monster's effect: You can target 1 FIRE "Primordial" monster in your Graveyard, except "Primordial Brontosaurus"; add that target to your hand. You can only use each effect of "Primordial Brontosaurus" once per turn.

Primordial Eoraptor
FIRE Dinosaur/Effect
L6 2400/600
While this card is on the field, you can only Xyz Summon "Primordial" monsters. During the End Phase of the turn this card is Normal or Special Summoned: Destroy this card. You can target 1 other FIRE "Primordial" monster you control and 1 monster your opponent controls; destroy the first target, and if you do, banish the second target. If this card was sent to the Graveyard after being destroyed by a card effect or for the activation of a FIRE monster's effect: You can target 1 FIRE "Primordial" monster in your Graveyard, except "Primordial Eoraptor"; draw 1 card, then place the targeted monster to the top of your Deck. You can only use each effect of "Primordial Eoraptor" once per turn.

Primordial Daspletosaurus
FIRE Dinosaur/Xyz/Effect
R6 2500/1100
2 Level 6 FIRE monsters
If this card attacks or is attacked, your opponent cannot activate card effects from the hand until the end of the Damage Step. Once per turn, if this card was first Xyz Summoned using FIRE "Primordial" monsters as any of its Xyz Materials: You can detach 1 Xyz Material from this card, then target 1 other FIRE "Primordial" monster you control and 2 cards your opponent controls; destroy the first target, then destroy any Set cards from the second targets, also negate the effects of all face-up cards from the second targets. If this card is destroyed (by battle or by card effect): You can target 2 FIRE "Primordial" monsters in your Graveyard, except "Primordial Daspletosaurus"; shuffle them to your Deck, then draw 1 card.

Primordial Bullhead Shark
WATER Fish/Tuner/Effect
L3 0/1900
This card can attack while in face-up Defense Position. If it does, apply its DEF for damage calculation. If this card battles an Extra Deck Monster, halve that monster's ATK, until the end of the Damage Step. If this card inflicts battle damage to your opponent: You can target 1 Level 4 or lower WATER "Primordial" monster in your Graveyard, except "Primordial Bullhead Shark"; send 1 WATER "Primordial" monster from your hand to the Graveyard, and if you do, Special Summon that target, in face-up Attack Position. If this card is sent to the Graveyard for the Synchro Summon of a WATER monster, or if this card is sent to the Graveyard for the activation of a WATER monster's effect: You can target 1 Set card your opponent controls; destroy that target. That card cannot be activated in response to this effect. You can only use this effect of "Primordial Bullhead Shark" once per turn.

Primordial Bramble Shark
WATER Fish/Effect
L3 200/1700
If your opponent controls a Special Summoned monster and you control no monsters: You can send 1 other WATER "Primordial" monster from your hand to the Graveyard; Special Summon this card (from your hand). This card can attack while in face-up Defense Position. If it does, apply its DEF for damage calculation. If this card inflicts battle damage to your opponent: You can target 2 WATER "Primordial" monsters in your Graveyard; add 1 of the them to your hand, and if you do, shuffle the other target to your Deck. If this card is sent to the Graveyard for the Synchro Summon of a WATER monster, or if this card is sent to the Graveyard for the activation of a WATER monster's effect: You can target 1 monster your opponent controls; banish that target. You can only use this effect of "Primordial Bramble Shark" once per turn.

Primordial Requiem Shark
WATER Fish/Synchro/Effect
L6 1100/2500
1 Tuner + 1 or more non-Tuner WATER monsters
If this card attacks or is attacked, your opponent cannot activate card effects from the hand until the end of the Damage Step. This card can attack while in face-up Defense Position, but apply its DEF for damage calculation if it does. Once per turn, if this card was first Synchro Summoned using WATER "Primordial" monsters as Synchro Material: You can discard 1 card, then target 1 other WATER "Primordial" monster you control and 2 cards your opponent controls; send the first target to the Graveyard, then destroy any Set cards from the second targets, also halve the ATK of all face-up monsters from the second targets. If this card is destroyed (by battle or by card effect): You can target 2 WATER "Primordial" monsters in your Graveyard, except "Primordial Requiem Shark"; shuffle them to your Deck, then draw 1 card.