Rex Raptor cards

Two-Headed Tyrant Rex
Level 4 EARTH Dinosaur
ATK 1600 DEF 1200
When this card destroys an opponent's monster as a result of battle, it gains 300 ATK. When this card is destroyed, Special Summon one Dinosaur-type monster from your Graveyard whose ATK is lower than this card's ATK on the field.

Blade Arm of Dragon
Level 4 EARTH Dinosaur
ATK 1750 DEF 1000
When this card destroys an opponent's monster as a result of battle, banish two cards in your opponent's Graveyard. When this card is destroyed, add one Dinosaur-type monster from your Deck to your hand whose Level is lower than the number of monsters in your opponent's banished zone.

Kaitoptera
Level 4 EARTH Dinosaur
ATK 1400 DEF 1000
When this card declares an attack, your opponent cannot activate cards or card effects until the end of the Damage Step. At the end of the Battle Phase, banish a monster this card attacked (even if this card was destroyed as a result of that battle).

Raptor Hunter
Level 4 EARTH Dinosaur
ATK 1500 DEF 800
When this card destroys an opponent's monster as a result of battle, draw one card and then destroy one card in your hand. When this card is destroyed, select one monster on the field; destroy it and banish it, then during the next Standby Phase, Special Summon it to its owner's field.

Serpent Midnight Dragon
Level 8 DARK Dinosaur
ATK 2350 DEF 2400
When this card destroys an opponent's monster in battle, you can destroy one card on the field. When this card is destroyed, add a Level 7 or lower Dinosaur-type monster from your deck to your hand. You can only activate this effect of "Serpent Midnight Dragon" once per turn.

Imperial Tyrant Dragon
Level 8 FIRE Dinosaur
ATK 2900 DEF 2500
This card is unaffected by your opponent's Trap effects and the activated effects of their effect monsters. When this card destroys an opponent's monster as a result of battle, you can destroy one Dinosaur-type monster on your side of the field or in your hand; this card can attack again.

Dino Nails
Equip Spell
Equip only to a Dinosaur or Dragon-type monster. The equipped monster gains 600 ATK. When this card is destroyed because the monster it was equipped to was destroyed, return it to your hand. You can only activate this effect of "Dino Nails" once per turn.

Jurassic Heart
Counter Trap
Negate the activate and effect of an opponent's card effect that would target and/or destroy one Dinosaur-type monster on your side of the Field or in the Graveyard, and banish it. When a Dinosaur-type monster you control would be destroyed, you can banish this card from your Graveyard to negate that destruction.

Chain of the Underworld
Trap
Activate when a monster on the field is destroyed. Special Summon that destroyed monster from the Graveyard to its owner's side of the field and decrease its ATK by 600. If that monster was destroyed as a result of battle with your monster, your monster that attacked and destroyed it gains 1000 ATK, until your next End Phase.