Avatar: The Last Airbender

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

Fire Nation Engineer | Creature | Human Artificer | Raid — At the beginning of your end step, if you attacked this turn, put a +1/+1 counter on another target creature or Vehicle you control. | Norikatsu Miyoshi

Fire Navy Trebuchet | Artifact Creature | Wall | Defender, reach Whenever you attack, create a 2/1 colorless Construct artifact creature token with flying named Ballistic Boulder that's tapped and attacking. Sacrifice that token at the beginning of the next end step. | Mikio Masuda

Foggy Swamp Visions | Sorcery | | As an additional cost to cast this spell, waterbend {X}. (While paying a waterbend cost, you can tap your artifacts and creatures to help. Each one pays for {1}.) Exile X target creature cards from graveyards. For each creature card exiled this way, create a token that's a copy of it. At the beginning of your next end step, sacrifice those tokens. | Hori Airi

Hog-Monkey | Creature | Boar Monkey | At the beginning of combat on your turn, target creature you control with a +1/+1 counter on it gains menace until end of turn. (It can't be blocked except by two or more creatures.) Exhaust — {5}: Put two +1/+1 counters on this creature. (Activate each exhaust ability only once.) | Miho Midorikawa

Ozai's Cruelty | Sorcery | Lesson | Ozai's Cruelty deals 2 damage to target player. That player discards two cards. | ikeda_cpt

Pirate Peddlers | Creature | Human Pirate | Deathtouch Whenever you sacrifice another permanent, put a +1/+1 counter on this creature. | Eduardo Francisco

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

Ruinous Waterbending | Sorcery | Lesson | As an additional cost to cast this spell, you may waterbend {4}. (While paying a waterbend cost, you can tap your artifacts and creatures to help. Each one pays for {1}.) All creatures get -2/-2 until end of turn. If this spell's additional cost was paid, whenever a creature dies this turn, you gain 1 life. | Yuu Fujiki

Swampsnare Trap | Enchantment | Aura | This spell costs {1} less to cast if it targets a creature with flying. Enchant creature Enchanted creature gets -5/-3. | Yoshioka

Tundra Tank | Artifact | Vehicle | Firebending 1 (Whenever this creature attacks, add {R}. This mana lasts until end of combat.) When this Vehicle enters, target creature you control gains indestructible until end of turn. Crew 1 (Tap any number of creatures you control with total power 1 or more: This Vehicle becomes an artifact creature until end of turn.) | Shishizaru

Wolfbat | Creature | Wolf Bat | Flying Whenever you draw your second card each turn, you may pay {B}. If you do, return this card from your graveyard to the battlefield with a finality counter on it. (If a creature with a finality counter on it would die, exile it instead.) | Daniel Romanovsky

Foggy Swamp Spirit Keeper | Creature | Human Druid Ally | Lifelink Whenever you draw your second card each turn, create a 1/1 colorless Spirit creature token with "This token can't block or be blocked by non-Spirit creatures." | Airi Yoshihisa

Messenger Hawk | Creature | Bird Scout | Flying When this creature enters, create a Clue token. (It's an artifact with "{2}, Sacrifice this token: Draw a card.") This creature gets +2/+0 as long as you've drawn two or more cards this turn. | Daniel Romanovsky

Vindictive Warden | Creature | Human Soldier | Menace (This creature can't be blocked except by two or more creatures.) Firebending 1 (Whenever this creature attacks, add {R}. This mana lasts until end of combat.) {3}: This creature deals 1 damage to each opponent. | Jo Cordisco

Earth Village Ruffians | Creature | Human Soldier Rogue | When this creature dies, 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.) | Dom Lay

Long Feng, Grand Secretariat | Legendary Creature | Human Advisor | Whenever another creature you control or a land you control is put into a graveyard from the battlefield, put a +1/+1 counter on target creature you control. | Robin Har

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