Blastoise was one of the strongest cards in early competitive play, thanks to its Rain Dance ability
While it looks like a marginally playable Draft uncommon with some minor synergies with enrage, this little 1/4 that could does a fantastic job at sniping some of the best aggressive cards in the format: The two most aggressive decks in the format, Mono-Red and Mardu Vehicles, all have highly powerful one-toughness creatures and can finish the game with an Unlicensed Disintegration if the opponent deals with the early threats and has to fight the heavier hitters with a creature of their own
While having your crucial spell be countered is always frustrating, I personally believe that the reprinting of Counterspell has been one of the best decisions Wizards has made for Modern
The first half of flashback is an alternate cost, not an additional cost
Unlimited is the term given to cards that do not have the 1st Edition stamp
Or, youre not ready to let go of the ones you do have