atlantean deck yugioh Complete Custom for Yu-Gi-Oh! TypeSea Serpent / Effect Monster AttributeWATER Level / Rank4 ATK / DEF1800 Card TextAll Level 3 or lower Sea Serpent Poseidra, the Storming Atlantean SUDA-EN016

So, no The Lost Caverns of Ixalan Spoilers

I use the -3 more often, as it's flexible and can always be used

Animadorned Archosaur X LIGHT Level 1 [ Dinosaur / Effect ] ATK 0 DEF 0 If this card is Normal or Special Summoned: You can destroy 1 Dinosaur monster in your hand or face-up field, except "Animadorned Archosaur", then add 1 Reptile, Sea Serpent, or Winged Beast monster with the same original Level as that destroyed monster, OR 1 "Evolution Pill" Spell, from your Deck to your hand

Madam Mim in particular can be trickier for new players, requiring the player to banish one of their own cards to bring out the shapeshifting witch - if you dont plan ahead, you might end up discarding one of the cards you needed

In a bit of tragic irony, one of the Gagagigo forms who could actually beat IOD in a fight is Gogiga Gagagigo

Favor clarity over clever formatting