By itself, you can turn Bill into a 4/4 creature, but when paired up with other effects that boost toughness or with creatures with a large toughness stat, you can deal some serious damage
With scalable, repeatable negation that can lock down an opponent early, Apollousa, Bow of the Goddess is widely viewed as one of the strongest Yu-Gi-Oh
The heart of the deck is, of course, dragons: while all the best ones comes with the "Dragon Tax," recent reprints in Foundations have helped us afford some big hitters, with the single best one for the deck being Scourge of Valkas which is actually stronger here than any other Dragon deck since Feywild Visitor pumps out so many dragon tokens and makes Scourge's burn trigger into a game-ender
- 11 counters, to be used during the game
Still, I believe its the best option, and Ive had this discussion with several other UR players
You can find yourself with a great deck that will dominate your friends (and enemies!) playing more straightforward cards