best deck yu gi oh gx spirit caller Yugioh! Starter Joey 1st Edition Sealed involves magic Yugioh Joey Starter deck -

(Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player discards a card.) Swampcycling ( , Discard this card: Search your library for a Swamp card, reveal it, put it into your hand, then shuffle.) Unlock the potential of your card collection

The 'Tenyi' in this deck's name refers to a package of about half a dozen 'Tenyi' wyrm cards that slot into the Swordsoul archetype super neatly, taking the flexibility (and thus the power level) of the deck to a new level

These all will likely have some sort of play just due to cost efficiency alone

It is bad because it scales the wrong way

But with Karlach, you can make two per turn