Avatar: The Last Airbender

Hakoda, Selfless Commander | Legendary Creature | Human Warrior Ally | Vigilance You may look at the top card of your library any time. You may cast Ally spells from the top of your library. Sacrifice Hakoda: Creatures you control get +0/+5 and gain indestructible until end of turn. | Rafater

Momo, Friendly Flier | Legendary Creature | Lemur Bat Ally | Flying The first non-Lemur creature spell with flying you cast during each of your turns costs {1} less to cast. Whenever another creature you control with flying enters, Momo gets +1/+1 until end of turn. | Brandon L. Hunt

South Pole Voyager | Creature | Human Scout Ally | Whenever this creature or another Ally you control enters, you gain 1 life. If this is the second time this ability has resolved this turn, draw a card. | Tition

Suki, Courageous Rescuer | Legendary Creature | Human Warrior Ally | Other creatures you control get +1/+0. Whenever another permanent you control leaves the battlefield during your turn, create a 1/1 white Ally creature token. This ability triggers only once each turn. | Tky

The Mechanist, Aerial Artisan | Legendary Creature | Human Artificer Ally | Whenever you cast a noncreature spell, create a Clue token. (It's an artifact with "{2}, Sacrifice this token: Draw a card.") {T}: Until end of turn, target artifact token you control becomes a 3/1 Construct artifact creature with flying. | Le Vuong

Tiger-Seal | Creature | Cat Seal | Vigilance At the beginning of your upkeep, tap this creature. Whenever you draw your second card each turn, untap this creature. | Jinho Bae

Ty Lee, Chi Blocker | Legendary Creature | Human Performer Ally | Flash Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.) When Ty Lee enters, tap up to one target creature. It doesn't untap during its controller's untap step for as long as you control Ty Lee. | Gemi

The Unagi of Kyoshi Island | Legendary Creature | Serpent | Flash Ward—Waterbend {4} (While paying a waterbend cost, you can tap your artifacts and creatures to help. Each one pays for {1}.) Whenever an opponent draws their second card each turn, draw two cards. | Miho Midorikawa

Yue, the Moon Spirit | Legendary Creature | Spirit Ally | Flying, vigilance Waterbend {5}, {T}: You may cast a noncreature spell from your hand without paying its mana cost. | Yuumei

Boiling Rock Rioter | Creature | Human Rogue Ally | Firebending 1 (Whenever this creature attacks, add {R}. This mana lasts until end of combat.) Tap an untapped Ally you control: Exile target card from a graveyard. Whenever this creature attacks, you may cast an Ally spell from among cards you own exiled with this creature. | Airi Yoshihisa

Mai, Scornful Striker | Legendary Creature | Human Noble Ally | First strike Whenever a player casts a noncreature spell, they lose 2 life. | Hori Airi

Raven Eagle | Creature | Bird Assassin | Flying Whenever this creature enters or attacks, exile up to one target card from a graveyard. If a creature card is exiled this way, create a Clue token. (It's an artifact with "{2}, Sacrifice this token: Draw a card.") Whenever you draw your second card each turn, each opponent loses 1 life and you gain 1 life. | Robin Olausson

Firebending Student | Creature | Human Monk | Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.) Firebending X, where X is this creature's power. (Whenever this creature attacks, add X {R}. This mana lasts until end of combat.) | Kozato

Ran and Shaw | Legendary Creature | Dragon | Flying, firebending 2 When Ran and Shaw enter, if you cast them and there are three or more Dragon and/or Lesson cards in your graveyard, create a token that's a copy of Ran and Shaw, except it's not legendary. {3}{R}: Dragons you control get +2/+0 until end of turn. | Miho Midorikawa

Wartime Protestors | Creature | Human Rebel Ally | Haste Whenever another Ally you control enters, put a +1/+1 counter on that creature and it gains haste until end of turn. | Yosuke Adachi

Zhao, the Moon Slayer | Legendary Creature | Human Soldier | Menace Nonbasic lands enter tapped. {7}: Put a conqueror counter on Zhao. As long as Zhao has a conqueror counter on him, nonbasic lands are Mountains. (They lose all other land types and abilities and have "{T}: Add {R}.") | Toraji

Diligent Zookeeper | Creature | Human Citizen Ally | Each non-Human creature you control gets +1/+1 for each of its creature types, to a maximum of 10. | Maojin Lee

The Earth King | Legendary Creature | Human Noble Ally | When The Earth King enters, create a 4/4 green Bear creature token. Whenever one or more creatures you control with power 4 or greater attack, search your library for up to that many basic land cards, put them onto the battlefield tapped, then shuffle. | Ryota Murayama

Earthen Ally | Creature | Human Soldier Ally | This creature gets +1/+0 for each color among Allies you control. {2}{W}{U}{B}{R}{G}: Earthbend 5. (Target land you control becomes a 0/0 creature with haste that's still a land. Put five +1/+1 counters on it. When it dies or is exiled, return it to the battlefield tapped.) | Boell Oyino

Great Divide Guide | Creature | Human Scout Ally | Each land and Ally you control has "{T}: Add one mana of any color." | Song Qijin

Aang, Swift Savior | Legendary Creature | Human Avatar Ally | Flash Flying When Aang enters, airbend up to one other target creature or spell. (Exile it. While it's exiled, its owner may cast it for {2} rather than its mana cost.) Waterbend {8}: Transform Aang. | Tetsuko

Katara, Water Tribe's Hope | Legendary Creature | Human Warrior Ally | Vigilance When Katara enters, create a 1/1 white Ally creature token. Waterbend {X}: Creatures you control have base power and toughness X/X until end of turn. X can't be 0. Activate only during your turn. (While paying a waterbend cost, you can tap your artifacts and creatures to help. Each one pays for {1}.) | Toraji

Sandbender Scavengers | Creature | Human Rogue | Whenever you sacrifice another permanent, put a +1/+1 counter on this creature. When this creature dies, you may exile it. When you do, return target creature card with mana value less than or equal to this creature's power from your graveyard to the battlefield. | Alexander Forssberg

Iroh, Tea Master | Legendary Creature | Human Citizen Ally | When Iroh enters, create a Food token. At the beginning of combat on your turn, you may have target opponent gain control of target permanent you control. When you do, create a 1/1 white Ally creature token. Put a +1/+1 counter on that token for each permanent you own that your opponents control. | Brian Yuen

Earth King's Lieutenant | Creature | Human Soldier Ally | Trample When this creature enters, put a +1/+1 counter on each other Ally creature you control. Whenever another Ally you control enters, put a +1/+1 counter on this creature. | Nathaniel Himawan

Azula, Cunning Usurper | Legendary Creature | Human Noble Rogue | Firebending 2 (Whenever this creature attacks, add {R}{R}. This mana lasts until end of combat.) When Azula enters, target opponent exiles a nontoken creature they control, then they exile a nonland card from their graveyard. During your turn, you may cast cards exiled with Azula and you may cast them as though they had flash. Mana of any type can be spent to cast those spells. | Evyn Fong

Sokka, Bold Boomeranger | Legendary Creature | Human Warrior Ally | When Sokka enters, discard up to two cards, then draw that many cards. Whenever you cast an artifact or Lesson spell, put a +1/+1 counter on Sokka. | Toni Infante

The Lion-Turtle | Legendary Creature | Elder Cat Turtle | Vigilance, reach When The Lion-Turtle enters, you gain 3 life. The Lion-Turtle can't attack or block unless there are three or more Lesson cards in your graveyard. {T}: Add one mana of any color. | Yuumei

Zuko, Conflicted | Legendary Creature | Human Rogue | At the beginning of your first main phase, choose one that hasn't been chosen and you lose 2 life — • Draw a card. • Put a +1/+1 counter on Zuko. • Add {R}. • Exile Zuko, then return him to the battlefield under an opponent's control. | Halil Ural

Beifong's Bounty Hunters | Creature | Human Mercenary | Whenever a nonland creature you control dies, earthbend X, where X is that creature's power. (Target land you control becomes a 0/0 creature with haste that's still a land. Put X +1/+1 counters on it. When it dies or is exiled, return it to the battlefield tapped.) | Alexandr Leskinen

Toph, Hardheaded Teacher | Legendary Creature | Human Warrior Ally | When Toph enters, you may discard a card. If you do, return target instant or sorcery card from your graveyard to your hand. Whenever you cast a spell, earthbend 1. If that spell is a Lesson, put an additional +1/+1 counter on that land. (Target land you control becomes a 0/0 creature with haste that's still a land. Put a +1/+1 counter on it. When it dies or is exiled, return it to the battlefield tapped.) | Ruwen Liu

Sokka, Tenacious Tactician | Legendary Creature | Human Warrior Ally | Menace, prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.) Other Allies you control have menace and prowess. Whenever you cast a noncreature spell, create a 1/1 white Ally creature token. | Robin Har

Aang, at the Crossroads | Legendary Creature | Human Avatar Ally | Flying When Aang enters, look at the top five cards of your library. You may put a creature card with mana value 4 or less from among them onto the battlefield. Put the rest on the bottom of your library in a random order. When another creature you control leaves the battlefield, transform Aang at the beginning of the next upkeep. | Evan Shipard

Katara, the Fearless | Legendary Creature | Human Warrior Ally | If a triggered ability of an Ally you control triggers, that ability triggers an additional time. | Hisashi Momose

Fire Lord Zuko | Legendary Creature | Human Noble Ally | Firebending X, where X is Fire Lord Zuko's power. (Whenever this creature attacks, add X {R}. This mana lasts until end of combat.) Whenever you cast a spell from exile and whenever a permanent you control enters from exile, put a +1/+1 counter on each creature you control. | Jo Cordisco

Toph, the First Metalbender | Legendary Creature | Human Warrior Ally | Nontoken artifacts you control are lands in addition to their other types. (They don't gain the ability to {T} for mana.) At the beginning of your end step, earthbend 2. (Target land you control becomes a 0/0 creature with haste that's still a land. Put two +1/+1 counters on it. When it dies or is exiled, return it to the battlefield tapped.) | Eilene Cherie

Fire Lord Azula | Legendary Creature | Human Noble | Firebending 2 (Whenever this creature attacks, add {R}{R}. This mana lasts until end of combat.) Whenever you cast a spell while Fire Lord Azula is attacking, copy that spell. You may choose new targets for the copy. (A copy of a permanent spell becomes a token.) | Fahmi Fauzi

Iroh, Grand Lotus | Legendary Creature | Human Noble Ally | Firebending 2 During your turn, each non-Lesson instant and sorcery card in your graveyard has flashback. The flashback cost is equal to that card's mana cost. (You may cast a card from your graveyard for its flashback cost. Then exile it.) During your turn, each Lesson card in your graveyard has flashback {1}. | Fahmi Fauzi