Evolving from the classic normal monster dino beatdown decks, Jurrac benefits from some dino support cards but also having their own effects that. Having more options other just having a high attack, Jurrac decks offer some versatility in handling a duel.
Because of Rex's exclusive skill giving you "Jurassic World" at the start of duels, your lower level monsters will already have decent attack, higher than most lower level monsters available. This can give you quite the easy and clear advantage early on.
Jurrac Guaiba: Using this as your primary monster, destroy your opponent's monster so you can special summon another Guaiba or a Stauriko. Ptera can be a good option too if you want to prepare against an attack, but it works better as a surprise.
Jurrac Herra: Seemingly a tricky summoning condition, but since position switching cards like Enemy Controller are common, you'll be able to special summon this quite often. But since it needs your monsters to be destroyed by battle, you might want to play more defensively if you want to special summon this, instead of attacking into your opponent's Mirror Wall or Super Rush Headlong.
These low level and attack monsters can be special summoned from Guaiba's effect if you want to set up some plays.
Jurrac Ptera: This can be a good card to catch your opponent off guard, especially if they invest a lot of cards to summon a strong monster. Not sending them to the graveyard can prevent some effects from activating too (like Blue Dragon Summoner). You can also activate Mirror Wall if you want it to stay on the field while also returning your opponent's attacking monster.
Jurrac Stauriko: Summoning tokens can be good to defend against attacks, but it can also be used as fodder for tribute taking with Enemy Controller, or tribute summon into Titano. This also works well with Herra. When it gets destroyed, you can end up with 3 monsters on the field instead of 0, ready to tribute summon into Titano on your next turn.
Jurrac Titano: This card acts as a boss monster for your deck. Since it can't be special summoned, requiring 2 monsters for tribute can be a heavy price. But if used together with Stauriko then you can tribute summon it easier.
Jurrac Iguanon: While Iguanon has a pretty good effect, this deck's playstyle is a bit more defensive, especially since you can't guarantee that you can destroy a monster with it often. But this is still a good alternative if you are missing some of the cards. It works quite well when paired up with cards like Anti-Magic Arrows to prevent your attack from being negated.
Xing Zhen Hu: Can be a little tricky to use, but if you manage to pin down 2 of your opponent's card, then it can be very crippling for them. Activate this during the turn your opponent sets 2 face down spell/trap cards to make sure they can't chain it. You can also use this to pin your own card if you want to lock only 1 of your opponent's spell/trap. Chain your set enemy controller to this card activation can also work.
Why is Ptera a good card?
It sends back...uuu..but bad stats gets destroyed pretty much every time...so its not a 1 for 1
He gets his back.
Rather play hydro for more agressiv (over guaiba, cause it can attack right away)and powerful rebirth for stauriko (damn all this token...and you get to spam Herra this way) and michizure works well with stauriko
petra gets destroyed but since it was in defense you get to special summon hera and go all in next turn. if their big monster attacks petra it gets sent back to hand its super good defense for that reason
blue eyes attacked my petra and got sent back to hand then i got to summon herra and destroy them next turn