Be it with Luffy leader from the starter deck or with Zoro leader from Romance Dawn, the plan is the same
You get access to at least one more artifact tutor (Enlightened Tutor), a few more ways to get back Krark's Thumb from your graveyard (i.e
HYPNO_97:POKEMOD_IMPERIUM Look at up to 3 cards from the top of either player's deck and rearrange them as you like
I wouldn't generally call that a drawback, except for the fact that, unlike with Bolas's Citadel or Gwenom, Remorseless, which offer spells-for-life as a bonus effect, it's possible to lock yourself entirely out of the game with Teval
Unlike regular Pokemon, Fossil Pokemon require you to place the item card on your Bench first and then evolve into the first stage, meaning that you will have to search for both Pokemon cards and item cards