Whenever you cast a spell that [CHOICE A], create a green Elemental creature token named Maro with "This creature's power and toughness are each equal to the number of [CHOICE B]."
— As you create your deck, choose an [A] and a [B] —
• [A1] "is an Elemental" | [A2] "has a watermark or landscape orientation" | [A3] "targets a creature you control"
• [B1] "cards in your hand" | [B2] "card types among cards in your graveyard" | [B3] "artists among nonland, nontoken permanents you control"

Split second
Create four 4/4 red Devil creature tokens with haste and "When this creature dies, create a colorless Treasure artifact token with ', Sacrifice this artifact: Add one mana of any color.'" Sacrifice the Devil tokens at the beginning of the next end step.

When Euroakus enters, create a number of 1/1 blue Human Wizard creature tokens equal to the number of differently named lands you control.
: Draw a card for each Wizard you control. They each get +1/+1 until end of turn for each card in your hand.

Reach
As long as Andrios is attacking, tapped creatures you control with base power and toughness 4/3 have base power and toughness 16/9.
: Add . Creature spells you spend this mana to cast have their base power and toughness become 4/3.

Whenever Picard enters or attacks, put two +1/+1 counters on another target creature you control.

Play with the top card of your library revealed.
You may play lands and cast creature spells from the top of your library.

Flying
As long as it's nighttime, Nightmare Moon gets +2/+2 and has menace.
: Transform Nightmare Moon. Anypony may activate this ability or help pay the cost. When they do, they become your friend.

Artifact creatures you control get +2/+0.
When Borg Queen enters, assimilate target creature card from an opponent's graveyard. (Put it onto the battlefield under your control with a +1/+1 counter. It's a Borg artifact creature and loses all other creature types.)

Squirrellink (Damage dealt by this creature also causes you to create that many 1/1 green Squirrel creature tokens.)
Creature tokens you control are Squirrels in addition to their other creature types.
Other Squirrels you control get +1/+1.

ストレンジ・ニュー・ワールド ― カードＸ枚を引く。Ｘは、あなたがコントロールしていて互いに異なる名前を持つ土地の数に等しい。次のあなたのターンまで、あなたの手札の上限はなくなる。

Flying
Whenever this creature attacks, defending player discards a card.

Haste
Jurin must be blocked if able.
Whenever Jurin attacks, each creature you control attacking a player gets +1/+0 until end of turn for each creature that player controls.

Homura can't block.
When Homura dies, return it to the battlefield flipped.

Vigilance (Attacking doesn't cause this creature to tap.)
When Donatello enters, tap up to three target creatures your opponents control. Put a stun counter on each of them. (If a permanent with a stun counter would become untapped, remove one from it instead.)

Trample (This creature can deal excess combat damage to the player it's attacking.)
Michelangelo enters with a +1/+1 counter on him for each land you control.
When Michelangelo dies, return this card to your hand.

Menace (This creature can't be blocked except by two or more creatures.)
Whenever Raphael deals combat damage to a player for the first time each turn, untap all attacking creatures. After this combat phase, there is an additional combat phase.

Flying, vigilance
When this creature enters, you may put a name sticker on a nonland permanent you own.
, : Put a +1/+1 counter on another target creature with a name sticker on it. Activate only as a sorcery.

Add . You may open a sealed Magic booster pack. Until end of turn, you may cast spells from among the cards in that booster pack.

: An opponent tells you a statement about themselves and secretly notes whether it's true or false. You guess which it is. If you guessed correctly, this creature gets +2/+0 and can't be blocked this turn.

When D00-DL, Caricaturist enters, create a 4/4 colorless Sketch creature token, which you have fifteen seconds to draw. The token has flying if it has wings in its art. The same is true for first strike and a sword, vigilance and a shield, menace and mean eyes, trample and horns, deathtouch and claws, lifelink and fangs, and haste and footwear.

Deathtouch
When Carnival Carnivore enters, you get {TK}, then you may put a sticker on a nonland permanent you own.

Trample
When this creature enters, you may put a name sticker on it. Put a +1/+1 counter on it for each unique vowel on that sticker. (The vowels are A, E, I, O, U, and Y.)

This spell costs less to cast for each electrical socket in a wall or floor you can see from your seat.
Gain control of target creature until end of turn. Untap that creature. Until end of turn, it gets +3/+0 and gains haste.

Flying
Whenever Stet attacks, you may exile a card from your graveyard. When you do, Stet deals 4 damage to any target whose name begins with the same letter as the exiled card.
: Delete the first letter of target permanent or player's name until end of turn.

Flying
When this creature enters, destroy target creature and put your head on the table. Sacrifice this creature when your head stops touching the table.

Enchant creature
For each other card named Cardboard Carapace you have with you outside the game, enchanted creature gets +1/+1.

: Roll a six-sided die. This creature gets the indicated result.
1 — It gets -2/-2 until end of turn.
2 — Prevent all combat damage it would deal this turn.
3 — It gains vigilance until end of turn.
4 — It gains first strike until end of turn.
5 — It gains flying until end of turn.
6 — It gets +2/+2 until end of turn.

When this enchantment enters, each player puts their library into their hand.
Players have no maximum hand size and don't lose the game for drawing from an empty library.
Each player can't cast more than one spell each turn.
When this enchantment leaves the battlefield, each player shuffles their hand and graveyard into their library.

When you control no permanents other than The Cheese Stands Alone and have no cards in hand, you win the game.

Flying
Whenever this creature attacks, you may search your library for an artifact card, exile it, then shuffle.
This creature has the text box of each card exiled with this creature in addition to its own.

At the beginning of each opponent's upkeep, that player moves a permanent they control to touch this enchantment and no other permanents. If the player can't, destroy each permanent they control that isn't touching this enchantment, then sacrifice it.

All graveyards are also your graveyards.
Graveyard Busybody's power and toughness are each equal to the number of cards with flavor text in your graveyards.

Creature cards in graveyards can attack and block as though they were on the battlefield, can block or be blocked only by creature cards in graveyards, are Zombies in addition to their other types, and have undeathtouch. (If they would deal damage to a creature card, exile that creature card instead.)
Creature cards in your graveyard have haste.

: Switch a Killbot or Mary O'Kill in your hand with one on the battlefield. (If a creature is tapped, the switched creature is tapped. The same is true for untapped, attacking, blocking, enchanted, equipped, and targeted. Any counters on a creature are on the switched creature instead.)

, : Roll a six-sided die. Create a number of 1/1 red Brainiac creature tokens equal to the result.
Tap three untapped Brainiacs you control: The next time you would roll a six-sided die, instead roll two six-sided dice and use the total of those results.

Enchant your library
Enchanted library is an artifact creature on the battlefield with power and toughness each equal to the number of cards in it. It's still a library.
If enchanted library would leave the battlefield, exile this Aura instead.