What is the rarity of this Tapu Koko ex card
If your opponent activates a monster effect on the field, you can negate that effect, and then if you have a Trap in your GY, you can add any Dominus card from your Deck to your hand
Because of this, most decks with this focus opt for extensive use of low-cost creatures, to boost their speed and generate critical mass of creatures in the first turns
So equipment is immediately useful, and you can then move to another character when you see fit
quillbolt is effectively an easier-to-use version of scrap mind reader, though it has a slightly different niche due to being level 2 and falling outside the scrap archetype, most notably that it can't be prepared with scrapstorm, requiring foolish burial or another generic effect to send it to the graveyard
Further back in time still and you would have utter dribble but I wasn't cubing when Erhnam Djinn was the best threat in the game