That's because exiling the card happens as part of paying the activation cost, not as part of the effect
Remember expending mana means that you use the mana and doesnt care if you reduced costs or used alternate ways to pay for something like with energy for Primal Prayers
We think the new art card will be of the Raya from the front and center of the trove/booster box like with Mickey Mouse Brave Little Tailor from the first set
Card Set(s) -EMPERORS IN THE NEW WORLD- [OP-09] CARD VIEW OP09-072 | SR | CHARACTER Franky Attribute Strike Block icon 3 Effect [Blocker] (After your opponent declares an attack, you may rest this card to make it the new target of the attack.) [On Play] DON
All told, the general strategy is pretty straightforward: ramp up a variety of mana, fill your board with warriors, keep attacking to generate more warriors, and eventually trigger the ability mid-combat
I hope you will enjoy playing with Unfinity as much as I enjoyed making it
