I would try with a triceratops and make a unique triceratops model.
Dimodactylus (200pe fuse) + (Triceratops 500pe fuse)
Resilient strike (1Xdmg)
Ready to charge:Priority:If tribuslon loose more than 50% of his whole hp this turn,he is slowed by 50% 2 turns,get 50% shield for 2 turns and increase his damage by 50%,if tribuslon should have died from this attack,he remain 1HP,if not:nothing happen. (1turn cooldown)
Armor percing stunning rampage: (2Xdmg /2 turn cooldown;1 turn delay)
Resilient impact and swap out (1,5Xdmg/cooldown:1 turn)
Swap in wound
Nervous: If an ability make this creature slow:He earn +50% damage for 2 turn:Regen 1Xatk at the end of every turn.
Immune to swap prevention :100%
Weakness : Stun (It mean if this creature get stunned:The stun damage are increase by 1,5X,and he can’t swap out while stunned (lock 2 turns)
So this creature is a good bleeder which have a special effect when he is slow:He will regen everyturn if an ability slow him and will increase his dmg aswell
He will do some mindtrick asweell with ready to charge,which will increase More his dmg and assure him to regen everyturn.
Ready to charge will increase his damage to 1900,so the opponent will have to deal with a monster.
It will be really good against opponent as resilients tanks ,an equal matchup against speedster ,ready to charge can do some mind game against the chompers aswell.