There are a few ways to stop or lessen Treasure tokens abilities
Overall the Pokemon Metal Cards are definitely some of the coolest display items you can have in your pokemon collection.
Become a Marionette Master and sacrifice your artifacts to decimate your opponents one by one
Pull rate from Regular Packs: 1.76% The estimated pull rate for Alolan Exeggutor (Celestial Guardians) from a Regular Pack is approximately 1.76%, meaning you might need to open around 57 Regular Packs to obtain it
Upon entering the battlefield, Kathril can put several types of ability counters for the keywords, flying, first strike, double strike, deathtouch, hexproof, indestructible, lifelink, menace, reach, trample, and vigilance on creatures under your control as long as creatures in your graveyard have the corresponding keywords on them