Aqua Force moving boosters might hint at something for Lambros and Thavas.
V-BT11/012 RRR ケルピーライダー デニス Kelpie Rider, Denis
Grade 2 / Normal Unit / Magallanica – Aqua Force – Aquaroid
ACT (VC/RC) COST [Rest another rear-guard], look at the top card of your deck, and call it to (RC). This ability may only be used by a card with the same card name once a turn.
V-BT11/037 R 荒潮の水将 フリスティナ Marine General of the Raging Tides, Hristina
Grade 3 / Normal Unit / Magallanica – Aqua Force – Aquaroid
Imaginary Gift: Accel
AUTO (VC/RC) 1/Turn At the end of the battle it attacked while boosted, you may Stand one of the rear-guards that boosted. If it Stand, you may move that unit to an open (RC) in the back row.