The idea started with the notion of combining Growing Rites of Itlimoc and Torment of Hailfire. It quickly evolved, however, into a deck that simply swarms snake and insect tokens through Hapatra, Vizier of Poisons and Nest of Scarabs. The rest of the deck is designed to throw -1/-1 counters onto anything possible -- ideally enemy creatures, but in a pinch they could go on my own creature tokens only to be replaced and even multiplied straight away by the Vizier and Nest. All these tokens increase the amount of mana produced by Itlimoc, Crade of the Sun, and all that mana gets filtered into either the aforementioned Torment or the Walking Ballista.

Right now the deck produces its counters and tokens well enough, takes excellent advantage of them beyond its core engine, and it feels all set for any kind of removal. It even has two/three mid- to late-game wincons now, too. I haven't had the chance to playtest the current decklist yet, but I expect to do so by the end of this coming week. Any feedback or suggestions between now and then would be appreciated!