In Yu-Gi-Oh! GX SPIRIT CALLER you collect multiple duel spirits that give your character passive buffs; to level up the spirits, their card has to be face-up on the field to gain experience when you win, nothing else.
An aqua, beatdown deck, summon
7 Colored Fish,
Abyss Soldier,
Oxygeddon, to suppress the field, use
Hydrogeddon to mill the deck, and summon
Mobius the Frost Monarch, or
Water Dragon as your boss monsters. Play
A Legendary Ocean to buff your WATER monsters, and have a
Maiden of the Aqua on the field as a "backup"
Umi. With
Maiden of the Aqua on the field,
Tornado Wall will stay active if
A Legendary Ocean is destroyed. Four bounce monsters to clear the board, and
Aqua Chorus to boost multiple monsters.
Side deck: If you unlocked either
Monster Reborn (from Atticus), or
Harpie's Feather Duster (from Blair); swap in with
Premature Burial/
Heavy Storm; (you're only allowed one forbidden card in the post game, take
Feather Duster). Since this Deck doesn't have search options, you can switch out the Spirit Partner
Water Boy/
Pikeru/
Curran, make sure their card is on the field to gain the experience, when you win the duel. If you don't like
Aqua Chorus, you can use
Shrink/
Rush Recklessly/
Kishido Spirit or
Nightmare's Steelcage for an extra staller.
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