It seems Psychics, Machines and Cyberse count as the digital “Aqua, Sea Serpent and Fish”
PHNI-EN081 Psychic Processor
Level 3 DARK Psychic Effect Monster
You can banish this card you control; Special Summon up to 2 Machine, Psychic and/or Cyberse monsters from your hand, and they can attack directly this turn. During the Standby Phase of the next turn after this card was banished: You can add this banished card to your hand. You can only use each effect of “Psychic Processor” once per turn.
PHNI-EN082 Psychic Arsenal
Normal Spell Card
Target 1 Psychic monster you control and pay LP equal to its Level x 200; add 1 Machine monster with the same Attribute but a higher Level, from your Deck to your hand. During your Main Phase, except during the turn this card was sent to the GY: You can banish this card from your GY, then target 1 each of your banished Psychic and Machine monsters; place 1 of them on the bottom of the Deck, and if you do, add the other to your hand. You can only use each effect of “Psychic Arsenal” once per turn.
PHNI-EN083 Emergency Apport
Normal Trap Card
Target 1 of your Level 5 or lower Psychic monsters that is banished or in your GY; Special Summon it.