My take on a 'cheap' rank 4 Exosister deck with the typical Exosister ratio
My personal added spices are;
:> Monster slots (Heavily under rated)
Amazing card in this deck, not only a possible special summon to help with XYZ summoning, but still a draw if it 'fails'
:> Gagaga magician to help get a XYZ from grave to the field to sacrifice for Infinitrack Fortress Megaclops
3 card combo ending with Number 38: Hope Harbinger Dragon Titanic and Number 99: Utopia Dragonar on the field
Conditions: ZS Ascended sage in hand, another level 4 monster that can be normal summoned, another level 4 monster that can be special summoned, Hyper Rank-up-Magic Utopiforce in deck
Special summon ZS Ascended sage > Normal summon anything else > Link summon into Bujinki Ahashima > Special summon valid target from hand + ZS Ascended sage from grave > Overlay into Number 39: Utopia Rising > Triggers adding Hyper Rank-up-Magic Utopiforce from deck to hand > Activate Hyper Rank-up-Magic Utopiforce > "Overlay" Number 39: Utopia Rising into Number 99: Utopia Dragonar > Detach 2 materials from Number 99: Utopia Dragonar (always detach Number 39: Utopia Rising for special summoning later) to special summon Number 38: Hope Harbinger Dragon Titanic > Attach Hyper Rank-up-Magic Utopiforce from grave to Number 38: Hope Harbinger Dragon Titanic as material