At the beginning of each player's draw step, that player draws an additional card.

: Add .
, : This land becomes a copy of target land, except it has this ability.

Whenever you cast a creature spell, draw a card.

: Add .
: Add . Activate only if you control a Plains or an Island.

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.

: Choose any number of target creatures. Each of those creatures gains persist until end of turn. (When it dies, if it had no -1/-1 counters on it, return it to the battlefield under its owner's control with a -1/-1 counter on it.)

Whenever equipped creature attacks, choose one —
• Sort Inventory — Draw a card, then discard a card.
• Pick a Perk — Put a +1/+1 counter on that creature.
• Check Map — Untap up to two target lands.
Equip

: Add one mana of any color in your commander's color identity.

Whenever a land you control enters from anywhere other than your hand or you cast a spell from anywhere other than your hand, create a 3/3 red Spawn creature token.

Counter target spell. Untap up to four lands.

If a red source you control would deal damage to an opponent or a permanent an opponent controls, it deals that much damage plus 2 instead.

Demonstrate (When you cast this spell, you may copy it. If you do, choose an opponent to also copy it.)
Mill five cards, then return a creature card from your graveyard to the battlefield.

Flying
When Uldaros Theorix enters, if you cast him, exile up to one target nonland card of each card type from your graveyard. Copy those cards. You may cast any number of spells with total mana value 6 or less from among the copies without paying their mana costs. (Permanent spells cast this way become tokens.)

(Gain the next level as a sorcery to add its ability.)
When this Class enters, search your library for an Equipment card, reveal it, put it into your hand, then shuffle.
: Level 2
Equip abilities you activate cost less to activate.
: Level 3
Whenever a creature you control attacks, up to one target creature blocks it this combat if able.

Partner with Okaun, Eye of Chaos (When this creature enters, target player may put Okaun into their hand from their library, then shuffle.)
At the beginning of combat on your turn, flip a coin until you lose a flip.
Whenever a player wins a coin flip, draw a card.

You may reveal an artifact or enchantment card you own from outside the game and put it into your hand. Exile Golden Wish.

At the beginning of your upkeep, each player draws a card.
Whenever an opponent draws a card, that player loses 1 life.

If you would create a Clue, Food, or Treasure token, instead create one of each.

Activated abilities of creatures you control cost less to activate. This effect can't reduce the mana in that cost to less than one mana.

Flying
Whenever Scarlet Witch deals combat damage to a player, look at the top two cards of your library, then exile them face down. Then you may cast a Hero or noncreature spell from among cards exiled with Scarlet Witch without paying its mana cost.