Hi, u can try google for reroll in mobius ff u can get plenty of info from there. I did reroll and luckily got the desired job. The earliest u can do job pull is at chaper 1 after 1st fight with flying monster ( forget name) whc cost u 4 summon tickets and 1000 magicite. If u patient enough u shd be able to obtain 6 tickets at the end of chapter 1.

Pulled jobs always stronger than the standard job but the seeds needed to unlock each skill also higher. Now i am short of light and dark seeds after reroll......

Sign in google play shd get u 1 ticket.....
U can check gamepedia or mobius ff wiki for chapter 1 guide to get all 6 tickets.

Since u got 5 tickets ady, why not just pull job with paying 500 magicite?

Good!

I am still working on light seed to open up panel 4 of dancer @.@

Yup the mobs are too random and u cant equipped the 'best' pupu for all situation. In that case, Fat chocobo/Gold Choco will help to keep you alive + drive appropriately. A&T is for better magic attack and haste. If you have hermes it will work too.
Omega will stun you down so u need all the action from haste to break him before he charge his ulti.

As suggest by dragontongue88, you need the right cards for the right job, get the MP card as starter since all has 9999 limit break without investing growstars for other cards. But those cards (MP) has lesser break power than normal ST card you get from ability shop. And they scaled towards general usage (MP and Story). MP cards bonuses are more focus on MP content (such as reduce MP boss attack, extra actions in MP)

Focus on 1 job that you like and invest it to max all panel + card. When you have 1 strong main job, farming seeds would be easier.

Black Mage (BLM) is a beast (in terms of damage) mayb you feel is weaker vs your starter mage job due to you have not fully unlock all the panel. But BLM are not meant to conquer high level tower events because low break power and 0 defence. But in MP and Story he deal crazy damage.

Observe the job you have (not starter) what elements they could draw then go ability shop and look for the compatible element ST (single target) cards. For instance, BLM are water/earth/wind elements. So your deck should have Fafnir/Gob King/Sylph as start alternatively you may opt for Sicarius MP cards (Shiva-water/Odin-wind) if you like.

to get the claw u need to keep playing the multiplayer vs shiva

focus on drawing 4star card if u have  extra summon ticket especially cone type coz its does multi damage with 3 orb only.