Magic the Gathering Cards

Ozai, the Phoenix King{2}{B}{B}{R}{R}Legendary Creature — Human NobleTrample, firebending 4, haste
If you would lose unspent mana, that mana becomes red instead.
Ozai has flying and indestructible as long as you have six or more unspent mana. 7/7 Secret of Bloodbending{U}{U}{U}{U}Sorcery — LessonAs an additional cost to cast this spell, you may waterbend {10}.
You control target opponent during their next combat phase. If this spell's additional cost was paid, you control that player during their next turn instead. (You see all cards that player could see and make all decisions for them.)
Exile Secret of Bloodbending. Foggy Swamp Visions{1}{B}{B}SorceryAs 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. Obsessive Pursuit{1}{B}EnchantmentWhen this enchantment enters and at the beginning of your upkeep, you lose 1 life and create a Clue token. (It's an artifact with "{2}, Sacrifice this token: Draw a card.")
Whenever you attack, put X +1/+1 counters on target attacking creature, where X is the number of permanents you've sacrificed this turn. If X is three or more, that creature gains lifelink until end of turn. Firebending Student{1}{R}Creature — Human MonkProwess (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.) 1/2 The Earth King{3}{G}Legendary Creature — Human Noble AllyWhen 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. 2/2 Great Divide Guide{1}{G}Creature — Human Scout AllyEach land and Ally you control has "{T}: Add one mana of any color." 2/3 Aang, at the Crossroads // Aang, Destined Savior{2}{G}{W}{U}Legendary Creature — Human Avatar AllyFlying
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. 3/3 Flip Card Aang, at the Crossroads // Aang, Destined SaviorLegendary Creature — Avatar AllyFlying
Land creatures you control have vigilance.
At the beginning of combat on your turn, 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.) 4/4 Flip Card Aang, Swift Savior // Aang and La, Ocean's FuryLegendary Creature — Avatar Spirit AllyReach, trample
Whenever Aang and La attack, put a +1/+1 counter on each tapped creature you control. 5/5 Flip Card Aang, Swift Savior // Aang and La, Ocean's Fury{1}{W}{U}Legendary Creature — Human Avatar AllyFlash
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. 2/3 Flip Card Bumi, Unleashed{3}{R}{G}Legendary Creature — Human Noble AllyTrample
When Bumi enters, earthbend 4.
Whenever Bumi deals combat damage to a player, untap all lands you control. After this phase, there is an additional combat phase. Only land creatures can attack during that combat phase. 5/4 Iroh, Grand Lotus{3}{G}{U}{R}Legendary Creature — Human Noble AllyFirebending 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}. 5/5 Sokka, Tenacious Tactician{1}{U}{R}{W}Legendary Creature — Human Warrior AllyMenace, 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. 3/3 The Legend of Yangchen // Avatar Yangchen{3}{W}{W}Enchantment — Saga(As this Saga enters and after your draw step, add a lore counter.)
I — Starting with you, each player chooses up to one permanent with mana value 3 or greater from among permanents your opponents control. Exile those permanents.
II — You may have target opponent draw three cards. If you do, draw three cards.
III — Exile this Saga, then return it to the battlefield transformed under your control.Flip Card The Legend of Yangchen // Avatar YangchenLegendary Creature — AvatarFlying
Whenever you cast your second spell each turn, airbend up to one other target nonland permanent. (Exile it. While it's exiled, its owner may cast it for {2} rather than its mana cost.) 4/5 Flip Card The Legend of Kuruk // Avatar Kuruk{2}{U}{U}Enchantment — Saga(As this Saga enters and after your draw step, add a lore counter.)
I, II — Scry 2, then draw a card.
III — Exile this Saga, then return it to the battlefield transformed under your control.Flip Card The Legend of Kuruk // Avatar KurukLegendary Creature — AvatarWhenever you cast a spell, create a 1/1 colorless Spirit creature token with "This token can't block or be blocked by non-Spirit creatures."
Exhaust — Waterbend {20}: Take an extra turn after this one. (While paying a waterbend cost, you can tap your artifacts and creatures to help. Each one pays for {1}. Activate each exhaust ability only once.) 4/3 Flip Card Flip Card Flip Card The Legend of Roku // Avatar Roku{2}{R}{R}Enchantment — Saga(As this Saga enters and after your draw step, add a lore counter.)
I — Exile the top three cards of your library. Until the end of your next turn, you may play those cards.
II — Add one mana of any color.
III — Exile this Saga, then return it to the battlefield transformed under your control.Flip Card The Legend of Roku // Avatar RokuLegendary Creature — AvatarFirebending 4 (Whenever this creature attacks, add {R}{R}{R}{R}. This mana lasts until end of combat.)
{8}: Create a 4/4 red Dragon creature token with flying and firebending 4. 4/4 Flip Card The Legend of Kyoshi // Avatar Kyoshi{4}{G}{G}Enchantment — Saga(As this Saga enters and after your draw step, add a lore counter.)
I — Draw cards equal to the greatest power among creatures you control.
II — Earthbend X, where X is the number of cards in your hand. That land becomes an Island in addition to its other types.
III — Exile this Saga, then return it to the battlefield transformed under your control.Flip Card The Legend of Kyoshi // Avatar KyoshiLegendary Creature — AvatarLands you control have trample and hexproof.
{T}: Add X mana of any one color, where X is the greatest power among creatures you control. 5/4 Flip Card Aang, Swift Savior // Aang and La, Ocean's Fury{1}{W}{U}Legendary Creature — Human Avatar AllyFlash
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. 2/3 Flip Card