Community discussion around Wilds Unknown chase rankings has been all over the map, which is usually a healthy sign: people are not just chasing one card, they are finding personal favorites across Pixar, Brave, Enchanteds, promos, and premium art treatments
If you can't choose both a creature you control and a creature an opponent controls as targets at the time Monoist Circuit-Feeder's last ability is put onto the stack, the ability will be removed from the stack and none of its effects will occur
Instead, trading cards of three-diamond, four-diamond, and one-star rarity will now require shinedust
If the card is going to kill you no matter what, proceed to Priority 2 and see if you can stop them from getting there
My Verdict: Tempo shifts often decide matches, and this leader embodies that truth