Dragonify is a non-damaging Dragon-type move. It is available as TM112 in-game.
Dragonify changes the target's type to Dragon. This effect lasts until the target is switched out or until the battle ends.
1) Reptillian [sic] blood taints the foe, turning them into the Dragon-type.
2) Dragon blood corrupts the foe and turns it into the Dragon type.