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
3.5 LSV
Spirit Water Revival | Sorcery | | As an additional cost to cast this spell, you may waterbend {6}. (While paying a waterbend cost, you can tap your artifacts and creatures to help. Each one pays for {1}.)
Draw two cards. If this spell's additional cost was paid, instead shuffle your graveyard into your library, draw seven cards, and you have no maximum hand size for the rest of the game.
Exile Spirit Water Revival. | Enishi
4 LSV
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
1 LSV
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
4.5 LSV
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
5 LSV
Waterbender Ascension | Enchantment | | Whenever a creature you control deals combat damage to a player, put a quest counter on this enchantment. Then if it has four or more quest counters on it, draw a card.
Waterbend {4}: Target creature can't be blocked this turn. (While paying a waterbend cost, you can tap your artifacts and creatures to help. Each one pays for {1}.) | Takeuchi Moto
1.5 LSV
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
2.5 LSV
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
2 LSV
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
4.5 LSV
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
3.5 LSV
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
5 LSV
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
3.5 LSV
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
2.5 LSV
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
4.5 LSV
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
5 LSV
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
1.5 LSV
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
3 LSV
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
4.5 LSV
Agna Qel'a | Land | | This land enters tapped unless you control a basic land.
{T}: Add {U}.
{2}{U}, {T}: Draw a card, then discard a card. | Dom Lay
3 LSV