As of now, Beanstalk Giant, Bonecrusher Giant, Brazen Borrower, Guardian Naga, Merchant of the Vale, Realm-Cloaked Giant, Rosethorn Acolyte, and Sapphire Dragon are all very good in the 99 of this deck
Heck, someone might accidentally win the game for you
But even better is the fact that your opponents have to attack each other and their creatures will mostly be unblockable too, though the first two players to your left can deploy defenses somewhat
If you do, you get to make a copy of the spell, choosing new targets if you wish
If that's not enough, there's always the generic Blue/Red win conditions you can jam to win the game out of nowhere
The activated ability gives you options of lifegain, counters, direct damage to flying creatures, or even some mill protection