Changeling (This card is every creature type.)
: Add one mana of any color.
: This artifact becomes a 4/4 artifact creature until end of turn.

Whenever this creature attacks while you control a token, this creature gets +2/+0 until end of turn.

At the beginning of each combat, if you've cast two or more spells this turn, this enchantment becomes a 3/3 Monk creature with haste in addition to its other types until end of turn.
, Discard your hand, Sacrifice this enchantment: Draw two cards.

Enchant creature
Enchanted creature gets +1/+1 for each Forest you control.

Enchant creature
Enchanted creature gets +1/+0 and has flying.
, Blight 2: Return this card from your graveyard to your hand. Activate only as a sorcery. (To blight 2, put two -1/-1 counters on a creature you control.)

Until end of turn, target creature gets +2/+0 and gains "When this creature dies, return it to the battlefield tapped under its owner's control and you create a Treasure token." (It's an artifact with ", Sacrifice this token: Add one mana of any color.")

Razor Rings deals 4 damage to target attacking or blocking creature. You gain life equal to the excess damage dealt this way.

Flying
Whenever you attack with one or more creatures, target player mills that many cards. (To mill a card, a player puts the top card of their library into their graveyard.)
: Put this card from your graveyard into your library second from the top.

When this creature enters, you may pay . If you don't, blight 2. (To blight 2, put two -1/-1 counters on a creature you control.)

You may cast this card from your graveyard by paying 2 life and sacrificing an artifact or creature in addition to paying its other costs.

(Gain the next level as a sorcery to add its ability.)
When this Class enters, create a colorless Equipment artifact token named Sword with "Equipped creature gets +1/+1" and equip .
: Level 2
At the beginning of combat on your turn, attach target Equipment you control to up to one target creature you control.
: Level 3
During your turn, equipped creatures you control have double strike and haste.

Whenever one or more tokens you control enter, this creature becomes prepared. (While it's prepared, you may cast a copy of its spell. Doing so unprepares it.)

Flying, haste
Whenever you discard a card, Hobgoblin gets +2/+0 until end of turn.

Flying
Whenever another creature you control enters, you gain 1 life.

Target opponent loses 1 life and you gain 1 life.
Up to one target creature gets +1/+1 until end of turn.
Up to one target creature gets -1/-1 until end of turn.

Target opponent discards two cards. Then if you control a Rat, surveil 2. (Look at the top two cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.)

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.

Flying
Each power-up ability of permanents you control can be activated an additional time.
Power-up — : Put two +1/+1 counters on Wonder Man. (Activate each power-up ability only . . . once? Reduce the cost by his mana cost if he entered this turn.)

Whenever you draw your second card each turn, until end of turn, Moon Girl and Devil Dinosaur's base power and toughness become 6/6 and they gain trample.
Whenever an artifact you control enters, draw a card. This ability triggers only once each turn.

When this artifact is put into a graveyard from the battlefield, reveal the top thirteen cards of your library. Put a random creature card from among them onto the battlefield. Put the rest on the bottom of your library in a random order.