Mako Tsunami (DSOD) Signature Cards Idea:

• 26 cards first released after Tengu's card pool closed (2011-09-17): Beautunaful Princess, Citadel Whale, Doom Kraken, Double Hooking, Electric Jellyfish, Fish and Bids, Fisherman of Legend, Fury of Kairyu-Shin, Imairuka, Infernalqueen Salmon, Kairyu-Shin, Kairyu-Shin's Dark Reef, Lemuria, the Forgotten City, Lifeless Leaffish, Mega Fortress Whale, Minairuka, Nimble Angler, Nimble Manta, Ocean Dragon Lord - Kairyu-Shin, Rage of Kairyu-Shin, Sea Stealth Attack, Sea Stealth II, Subsurface Stage Divers, The Legendary Fisherman II, The Legendary Fisherman III, Tip of the Tinying Tongue

Checked against the Tengu format Forbidden & Limited list (September 2011) as of 1 September 2011 and its card pool (no card first released after 17 September 2011), with the sizes and copy limits of a Anime deck.