The mechanics in Avatar: The Last Airbender might be unique, but they fit right in with existing Magic strategies, and there are a lot of different cards that can be used in both multiplayer and 1v1 formats
Sin, Spira's Punishment Rarity: Rare TYPE: Legendary Creature SUBTYPE: Leviathan Avatar CMC: 7 Mana cost: USD: $5.27 EUR: 2.33 TIX: 0.00 EDHREC RANK: 9638 (7/7) Flying Whenever Sin enters or attacks, exile a permanent card from your graveyard at random, then create a tapped token that's a copy of that card
Zodiark, Umbral God For five black mana, Zodiark, Umbral God is a beating
$0.49 Airship Crash Final Fantasy $0.49 Retrieve the Esper Final Fantasy $0.49 Vayne's Treachery Final Fantasy $0.49 Warrior's Sword Final Fantasy $0.49 Namazu Trader Final Fantasy $0.49 Self-Destruct Final Fantasy $0.49 Freya Crescent Final Fantasy $0.49 Laughing Mad Final Fantasy $0.49 Suplex Final Fantasy $0.49 Magic Pot Final Fantasy $0.49 Sorceress's Schemes Final Fantasy $0.49 Summon: Esper Ramuh Final Fantasy 0 results found
While the fact that your opponent gets to draw two cards after this song is played is a small bummer, it probably wont have any negative impact at all most of the time given how good Emerald is at discarding cards