Create X 1/1 white Ally creature tokens, then put a +1/+1 counter on each creature you control.

Firebending 2 (Whenever this creature attacks, add . 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.)

When this enchantment enters, airbend up to one target creature.
Whenever a creature you control enters, put a quest counter on this enchantment.
At the beginning of your end step, if this enchantment has four or more quest counters on it, exile up to one target creature you control, then return it to the battlefield under its owner's control.

When Koh enters, exile up to one other target creature.
Whenever another nontoken creature dies, you may exile it.
Pay 1 life: Choose a creature card exiled with Koh.
Koh has all activated and triggered abilities of the last chosen card.

Search your library for up to four land cards with different names and reveal them. An opponent chooses two of those cards. Put the chosen cards into your graveyard and the rest onto the battlefield tapped, then shuffle.

Whenever Gran-Gran becomes tapped, draw a card, then discard a card.
Noncreature spells you cast cost less to cast as long as there are three or more Lesson cards in your graveyard.

This land enters tapped.
: Add or .
, , Sacrifice this land: Draw a card.

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 : 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 .)

This land enters tapped.
: Add or .
, , Sacrifice this land: Draw a card.

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.

Exile target artifact, creature, or enchantment. Its controller creates a Clue token. (It's an artifact with ", Sacrifice this token: Draw a card.")

Vigilance
When this land enters, scry 1. (Look at the top card of your library. You may put it on the bottom.)
: Add .
, : Add one mana of any color.

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 . This mana lasts until end of combat.)

Equipped creature has ", : Tap target creature. Return Trusty Boomerang to its owner's hand."
Equip (: Attach to target creature you control. Equip only as a sorcery.)

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.

This land enters tapped unless you control a basic land.
: Add .
, : Create a 1/1 colorless Spirit creature token with "This token can't block or be blocked by non-Spirit creatures."

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.

: Add .
: Add one mana of any color. Spend this mana only to cast an Ally spell or activate an ability of an Ally source.
, : Create a 1/1 white Ally creature token.

When this creature enters, create a Food token. (It's an artifact with ", , Sacrifice this token: You gain 3 life.")
Whenever you sacrifice a Food, you may search your library for a basic land card and put it onto the battlefield tapped. If you search your library this way, put this creature on the bottom of its owner's library, then shuffle.

The owner of target creature or enchantment puts it into their library second from the top or on the bottom. You create a Clue token. (It's an artifact with ", Sacrifice this token: Draw a card.")