In theory, with a Naban, Dean of Iteration on the battlefield, you only need half the number of blue mana symbols on the battlefield to make Master of Waves good (for example, in the worst-case scenario where you have just a Naban, Dean of Iteration and a Master of Waves, you'll still end up with 10 power across five bodies, which is a pretty reasonable deal for four mana, and if you throw just one other Wizard into the mix, things cat get out of hand really quickly when Master of Waves' enters-the-battlefield trigger is doubled)
If youre going for a defensive lineup which whittles away an opponents life points, this might be under consideration for use, as they cannot tribute it or include it in any other summoning mechanism which would remove it from their Monster zone
The market price is a conservative estimate, as NM copies command as much as $150, while you can find LP cards selling for about $70
Halfway done and it's starting to get fun
Zubat [Blue Back] #41 (Pokemon Japanese Topsun | Pokemon Cards) prices are based on the historic sales
These are all hard questions that require rigorous testing to answer
