yugioh aqua cards Yu-Gi-Oh! - Neo Madoor (SOD-EN002) - Soul of The Duelist - 1st Edition Maiden of the Aqua -

If I can work out what the earliest product is on their website this could give us a lot of information

Prismatic Evolutions ETB releases, sells out in hours

Thats right, Philippe Navidad

But if you are going in heavily on a vehicles theme then these two abilities form an extremely consistent and efficient resource engine, and one which basically guarantees youll have other vehicles around to fuel your other synergies around the card type

Once per turn, during your Main Phase, if the previous effect was activated this turn: You can add 1 Field Spell that mentions "Adventurer Token" from your Deck or GY to your hand, except "Forest of Lost Flowers"