Use BeelStarmon's active ability as a counter and ready yourself for defense
While the most obvious choice is to pair it with Unwinding Clock to reuse its abilities on each of your opponents turns, you can also run other clever synergies, like putting Curiosity on it for extra card draw
For listings where you feel I might miss it if I dont buy it now, you want to pause once and review
To see cards that may be included in future Trainer Galleries, see the Trainer Galleries article.
So this sounds like it could be really strong in theory, because even if the enemy gains 500LP, this card can out damage that
Ive played it as a solo board game (yep, you can also do that here, too), but that didnt go well, either