Outside of perhaps the alternate commander Sophia, Dogged Detective, you can play with Deep Clue Sea as-is and be able to hold your own against many other decks
Sunbond ($0.29) and Cradle of Vitality ($0.46) bolt the same effect onto a single threat for pennies
Its no Bitterblossom , but this one is reasonably priced and can provide an entire legion of potential cipher targets
Since its a Legend Pokmon, similar to ex Pokmon, your opponent will collect 2 Prizes when its KOd
Overall, the flavor of this card is perfect, and nails the aggressive recklessness of red mana
Incredibly, if you do just want to use him in-game and not as a fancy, very expensive collectable, his standard card version costs around $0.05 on average