(6/22/2015) If a double-faced card is manifested, it will be put onto the battlefield face down (this is also true if it's put onto the battlefield face down some other way)
Dragon-types have strong attacks, but they usually have a higher Energy cost than other Pokmon
Delve has been printed on creatures, instants, and sorceries so far, and we could see it on other permanent types in the future, but Teval, Arbiter of Virtue gives it to all your spells
It might even get an Oscar nomination for it
Hoist by His Own Petard: The second and third Full Metal Cop episodes have this happen to Sneasel Ninja: In both, the enemies survive his/her attacks by one hit point, then use moves that get stronger the lower the user's health is to destroy him/her