Names — Wild / Ogre / Bupkis
Art — Spaceship / "Oops..." / Anvil
2 — Whenever this creature attacks, put a +1/+1 counter on it.
3 — Metalcraft — This permanent has protection from noncreature permanents as long as you control three or more artifacts.
2 — 5/1
4 — 7/4

Draw lots of cards

Names — Wrinkly / Monkey / Shenanigans
Art — Witch hat / Spider / Garruk's axe
2 — : Target creature can't block this creature this turn.
4 — Morbid — At the beginning of each end step, if a creature died this turn and this permanent is a creature, put a -1/-1 counter on this permanent and draw a card.
2 — 2/4
3 — 7/2

Medium elemental, Challenge 5
Armor class 19, Hit Points 73
Speed 20 ft., burrow 20 ft.
Attacks Earth Glide, Treasure Sense, Claw, Bite
STR 17 (+3) DEX 10 (+0) CON 22 (+6)
INT 11 (+0) WIS 10 (+0) CHA 11 (+0)

Names — Yawgmoth / Merfolk / Soul
Art — Snake / Sword / "Ach! Hans, run!"
2 — When this permanent leaves the battlefield, target player discards a card.
5 — When this permanent leaves the battlefield, create five 1/1 white Clown Robot artifact creature tokens.
2 — 3/3
4 — 6/5

Unite the Young Avengers and sling spells.

Assemble the Young Avengers and enable their abilities with noncreature spells.

Large dragon, Challenge 9
Armor class 18, Hit Points 152
Speed 40 ft., burrow 20 ft., fly 80 ft.
Attacks Bite, Claw, Lightning Breath
STR 21 (+5) DEX 10 (+0) CON 19 (+4)
INT 14 (+2) WIS 13 (+1) CHA 17 (+3)

Enchant creature
Enchanted creature has "Whenever this creature attacks, if its toughness is 3 or less, put a +1/+1 counter on it."

Names — Zombie / Cheese / Magician
Art — Horseshoe / Helicopter cap / Chandra plushie
2 — First strike
4 — Whenever this creature deals combat damage to a player, draw that many cards.
2 — 3/3
3 — 6/2

Gain experience with Zuko

Do not shuffle

When A Girl and Her Dogs enters and at the beginning of your upkeep, create a 1/1 white legendary Dog creature token and name it.
Whenever A Girl and Her Dogs attacks, it gets +1/+1 until end of turn for each legendary creature you control.

Flying
Vigilance
Other creatures you control have vigilance.

When Aang enters, airbend another target creature.
Whenever one or more creatures you control leave the battlefield without dying, you get an experience counter.
At the beginning of your upkeep, create a 1/1 white Ally creature token for each experience counter you have.

Flying
When Aang enters, airbend up to one other target nonland permanent.
Whenever you cast a Lesson spell, Aang gains lifelink until end of turn.

Flying, protection from red

Flying, vigilance

, : This creature gets +0/+3 until end of turn.