If you cast this (without help from mana dorks and such), you could have as much as 24 mana the next turn if you play all basic lands
Uh, down the hall to the left!"
Tocasias Welcome is my current pick, for a couple reasons mainly that it triggers off of tokens, and because it triggers on opponents turns, and because enchantments tend to stick around longer than creatures
This lethal combo meant that I was never able to target any of their Creatures, their life total directly, or even attack in combat - making my deck completely fall apart
What attacks does Drapion have
The threat level is in a great spot which allows you to sneak in under the radar a bit, then after a player or two has been eliminated, you've accumulated a little hive of fliers and that you're suddenly ahead when it comes to taking down the table