Its not as strong as something like Wake the Dead, but in mono-white its certainly better than over-costed cards like Triumphant Reckoning
Discounting Urza's Block, there are slightly more green cards that can untap lands than blue cards, and many more green cards that untap lands than blue cards printed in the last ten years
Paired alongside cards like Zul Ashur, Lich Lord, it should give you a ton of damage capabilities
Some sets provide consistent small wins, while others are feast-or-famine with one massive hit and little else
This specific range is designed to fit adults, but major toy stores do sell cheaper Pokmon themed watches for children
A permanent with protection from everything has protection from each object regardless of that objects characteristic values