Before we begin, lets divide Avatar cards into two sets: Avatar: The Last Airbender (TLA) is the main Avatar Standard-legal set, with around 300 different cards
Once you attack with Mulan, all your characters can challenge your opponents readied characters
- Delighted Sightseer The third Fix-It Felix, Jr
It deals with both the enchantment and the creature token that it leaves behind
In order of excellence, Id suggest: Annie Joins Up, which looks like an excellent Naya card, Rakdos Joins Up Kellan Joins Up Vraska Joins Up Tinybones Joins Up #51
They are however a watchlist, and if any cards are banned in the future, they will almost certainly be cards on the Game Changers list