Well, what if whenever you played a noncreature spell, it got countered, but you get a number of 1/1 White and Blue bird tokens equal to the mana cost instead
It also combos with Night of Soul's Betrayal and Kaervek, the Spiteful to ensure that you are the only player that can control Creatures until your opponents find ways to remove them
OP12-116 We'll Ring the Bell Waiting for You
And make sure that the types you pick are not weak against the same type
It destroys all creatures, but cannot be countered, meaning if players want to protect against it, they need to find a way to bounce creatures back into their hand, or give them indestructible
To get around the sacrifice clause, its best to run free sacrifice outlets to keep the thrull number in check