In addition to the cards visual appeal and rarity, the card also plays to the nostalgia factor because its the ancient version of Enteian immensely popular Legendary among oldheads, in part due to its role in Pokmon 3: The Movie
Landers allow you to spend Token Effort As this three-week series has shown, tokens are an integral part of Magic design, and I don't see that changing any time soon
PSA 10 examples of 1st edition Blastoise Pokemon cards sell between $25,000-$35,000, while PSA 9 examples sell between $3,000-$5,000
Multiple instances of bloodthirst are cumulative
Other than using this card in a deck with restored Pokemon, this card wouldn't be a bad starter type Pokemon, and if you plan on using this card as a starter type Pokemon I would use 2 of these in a water type deck
This cycle could be repeated at the end of an opponents turn so long as you had enough mana to pay for it, effectively creating a near-infinite source of 1/1 fliers and a ton of healing