mtg from the vault dragons card list Vault: rules for the Elder Dragon Highlander casual format Draco | From the Vault:

However, you can place it on a creature with power 5 or greater without Melira, Sylvok Outcast on the battlefield so that the enchanted creature lasts a while

I dont know that it is the best of the Charms (I would give that title to Izzet Charm), but unlike Izzet Charm, where you overpay by one mana for any of two to three desirable effects, you more-or-less break even on each of Selesnya Charms charming possibilities

Say hello to the new scariest threat in Standard

Although Clandestine Chameleon has the abilities of ability stickers on other permanents you own and cards in your graveyard, it is not stickered unless there's actually a sticker on it