Forest

Big Boa Constrictor

When this creature enters, roll a six-sided die. Target opponent loses life equal to the result.

Squirrel Dealer

When this creature enters, ask a person outside the game "Do you like Squirrels?" If they do, create a 1/1 green Squirrel creature token.

Timmy, Power Gamer

{4}: You may put a creature card from your hand onto the battlefield.

Lackey Recycler

Whenever you crank this Contraption, put target creature card from your graveyard on top of your library.

Refibrillator

Whenever you crank this Contraption, return target creature card from your graveyard to your hand.

Dr. Julius Jumblemorph

Dr. Julius Jumblemorph is every creature type (even if this card isn't on the battlefield).
Whenever a host you control enters, you may search your library and/or graveyard for a card with augment and combine it with that host. If you search your library this way, shuffle.

Voracious Vacuum

When this creature enters, put a +1/+1 counter on target creature.

Bat-

Flying
At the beginning of each end step, if an opponent lost 3 or more life this turn,
Augment {1}{B} ({1}{B}, Reveal this card from your hand: Combine it with target host. Augment only as a sorcery.)

Numbing Jellyfish

When this creature enters, roll a six-sided die. Target player mills X cards, where X is the result.

First Pick

Destroy target artifact or enchantment. Assemble a Contraption. (Put the top card of your Contraption deck face up onto one of your sprockets.)

GO TO JAIL

When this enchantment enters, exile target creature an opponent controls until this enchantment leaves the battlefield.
At the beginning of the upkeep of the exiled card's owner, that player rolls two six-sided dice. If they roll doubles, sacrifice this enchantment.

Destroy target creature with reminder text. (Reminder text is any italicized text in parentheses that explains rules you already know.)

Really Epic Punch

Target creature you control gets +2/+2 if it's a host or has augment. Then it fights target creature you don't control.

Staff of the Letter Magus

As this artifact enters, choose a consonant other than N, R, S, or T.
Whenever a player casts a spell, you gain 1 life for each time the chosen letter appears in that spell's name.

Johnny, Combo Player

{4}: Search your library for a card, put that card into your hand, then shuffle.

Ordinary Pony

When this creature enters, you may exile target non-Horse creature you control that wasn't put onto the battlefield with this ability this turn, then return it to the battlefield under its owner's control.

Swamp

Sap Sucker

Whenever you crank this Contraption, add {G}. Until end of turn, you don't lose this mana as steps and phases end.

Very Cryptic Command

Choose two —
• Scry 3.
• Create a 2/2 black Rogue creature token with menace.
• Add or subtract 1 or one from a number or number word on target spell or permanent until end of turn.
• Return all artifacts target player controls to their owner's hand.

Common Iguana

When this creature enters, you may discard a card. If you do, draw a card.

Willing Test Subject

Reach
Whenever you roll a 4 or higher on a die, put a +1/+1 counter on this creature.
{6}: Roll a six-sided die.

Hard Hat Area

Whenever you crank this Contraption, roll two six-sided dice. This Contraption assembles a number of Contraptions equal to the difference between those results. (To assemble a Contraption, put the top card of your Contraption deck face up onto one of your sprockets.)

Feisty Stegosaurus

When this creature enters, roll a six-sided die. This creature deals damage equal to the result to target creature an opponent controls.

Thud-for-Duds

Whenever you crank this Contraption, roll two six-sided dice. This Contraption deals damage to target creature equal to the difference between those results.

Plains

Rhino-

Whenever this creature blocks,
Augment {3}{W} ({3}{W}, Reveal this card from your hand: Combine it with target host. Augment only as a sorcery.)

Half-Squirrel, Half-

Whenever a nontoken creature enters,
Augment {G} ({G}, Reveal this card from your hand: Combine it with target host. Augment only as a sorcery.)

Selesnya Sanctuary

This land enters tapped.
When this land enters, return a land you control to its owner's hand.
{T}: Add {G}{W}.

Zombified

{4}{B}: Combine this card from your graveyard with target host.
{2}{B}, Exile a creature card from your graveyard:
Augment {4}{B} ({4}{B}, Reveal this card from your hand: Combine it with target host. Augment only as a sorcery.)

Ineffable Blessing

As this enchantment enters, choose Flavorful or Bland.
• Flavorful — Whenever a creature you control with flavor text enters, draw a card.
• Bland — Whenever a creature you control without flavor text enters, draw a card.

Jack-in-the-Mox

{T}: Roll a six-sided die. This ability has the indicated effect.
1 — Sacrifice this artifact and you lose 5 life.
2 — Add {W}.
3 — Add {U}.
4 — Add {B}.
5 — Add {R}.
6 — Add {G}.

Half-Orc, Half-

Trample
At the beginning of each end step, if an opponent was dealt damage this turn,
Augment {1}{R}{R} ({1}{R}{R}, Reveal this card from your hand: Combine it with target host. Augment only as a sorcery.)

Eager Beaver

When this creature enters, you may untap target permanent.

Shaggy Camel

When this creature enters, creatures you control get +1/+1 until end of turn.

Reliquary Tower

You have no maximum hand size.
{T}: Add {C}.

Oddly Uneven

Choose one —
• Destroy each creature with an odd number of words in its name. (Hyphenated words are one word.)
• Destroy each creature with an even number of words in its name.

As this enchantment enters, choose a rarity.
Whenever a creature you control with the chosen rarity enters, draw a card.

City of Ass

This land enters tapped.
{T}: Add one and one-half mana of any one color.

Hydradoodle

As this creature enters, roll X six-sided dice. This creature enters with a number of +1/+1 counters on it equal to the total of those results.
Reach, trample

Dirty Rat

When this creature enters, target opponent discards a card.

Shellephant

{0}: Choose one. You may activate this ability while Shellephant is in any zone.
• Shellephant has base power and toughness 1/4.
• Shellephant has base power and toughness 3/3.

Who // What // When // Where // Why

Angelic Rocket

Flying
When this creature enters, you may destroy target nonland permanent.

Strutting Turkey

When this creature enters,
exile target creature card with mana value 2 or less from your graveyard. If it has augment, combine it with a host you control. Otherwise, put it onto the battlefield.

Mother Kangaroo

When this creature enters, roll a six-sided die. Put a number of +1/+1 counters on this creature equal to the result.

Slaying Mantis

Just a second (As long as this spell is on the stack, players can't move permanents.)
This creature enters by being thrown from a distance of at least three feet.
When this creature enters, it fights each creature an opponent controls that it touched as it entered.

Just Desserts

Just Desserts deals π damage to target creature. (π is the ratio of a circle's circumference to its diameter. (It's a smidgen more than 3.))

Bronze Calendar

Spells you cast cost {1} less to cast.
You must speak in a voice other than your normal voice.
When you speak in your normal voice, sacrifice this artifact.

Clever Combo

Search your library for a host card or a card with augment, reveal it, put it into your hand, then shuffle.

Ninja

You may activate this card's augment ability any time you could cast an instant.
Whenever this creature deals combat damage to a player,
Augment {2}{B} ({2}{B}, Reveal this card from your hand: Combine it with target host. Augment only as—oh, never mind.)

Goblin Tutor

Roll a six-sided die. If you roll a 1, Goblin Tutor has no effect. Otherwise, search your library for the indicated card, reveal it, put it into your hand, then shuffle.
2 — A card named Goblin Tutor
3 — An enchantment
4 — An artifact
5 — A creature
6 — An instant or sorcery

Urza, Academy Headmaster

+1: Head to AskUrza.com and click +1.
−1: Head to AskUrza.com and click -1.
−6: Head to AskUrza.com and click -6.

Labro Bot

When this creature enters, return target host card or card with augment from your graveyard to your hand.

Island

Mer Man

When this creature enters, you may draw a card.

Crafty Octopus

When this creature enters, this creature assembles a Contraption. (Put the top card of your Contraption deck face up onto one of your sprockets.)

Quick-Stick Lick Trick

Whenever you crank this Contraption, target creature gets +1/+1 and gains lifelink until end of turn.

As this enchantment enters, choose an artist.
Whenever a creature you control with art by the chosen artist enters, draw a card.

Oaken Power Suit

Whenever you crank this Contraption, target creature gets +X/+X until end of turn, where X is the greatest power among creatures you control.

Arms Depot

Whenever you crank this Contraption, put two +1/+1 counters on target creature.

Modular Monstrosity

Whenever an opponent casts a spell, you have five seconds to choose a keyword you haven't chosen for a card named Modular Monstrosity today that's been printed on a creature card. If you do, this creature gains that ability. Otherwise, this creature loses all keyword abilities.

Serpentine

Landfall — Whenever a land you control enters,
Augment {2}{G} ({2}{G}, Reveal this card from your hand: Combine it with target host. Augment only as a sorcery.)

Pet Project

Whenever you crank this Contraption, put target creature card from an opponent's graveyard onto the battlefield under your control.

Watermarket

{T}: Add {C}{C}. Spend this mana only to cast spells with watermarks.

Command Tower

{T}: Add one mana of any color in your commander's color identity.

Split Screen

When this artifact enters, shuffle your library and deal it into four libraries. If anything refers to your library, choose one of your libraries for it.
Play with your libraries' top cards revealed.
When this artifact leaves the battlefield, shuffle your libraries together.

Steam-Powered

{5}:
Augment {4} ({4}, Reveal this card from your hand: Combine it with target host. Augment only as a sorcery.)

Optical Optimizer

Whenever you crank this Contraption, until end of turn, target creature becomes an artifact in addition to its other types and gains "{T}: Draw a card."

Success!

Target creature gets +2/+2 until end of turn. If it's a host or has augment, it gains lifelink until end of turn.

Teacher's Pet

{2}{W}, Sacrifice this creature: Search your library for a card with augment, combine it with target host you control, then shuffle.

As this enchantment enters, choose odd or even.
Whenever a creature you control with a collector number of the chosen value enters, draw a card.

Selesnya Signet

Gimme Five

You gain 1 life for each person who high-fives you in the next thirty seconds. Each player in an Un-game who high-fives you gains 1 life. (Offer high fives. Don't hit people.)

Wild Crocodile

When this creature enters, search your library for a basic land card, reveal it, put it into your hand, then shuffle.

Adorable Kitten

When this creature enters, roll a six-sided die. You gain life equal to the result.

Humming-

Flying
Whenever you attack with two or more creatures,
Augment {3}{W} ({3}{W}, Reveal this card from your hand: Combine it with target host. Augment only as a sorcery.)

Bee-Bee Gun

Whenever you crank this Contraption, until end of turn, target creature gains "{2}: This creature fights another target creature."

Half-Kitten, Half-

Whenever you're dealt damage,
Augment {2}{W} ({2}{W}, Reveal this card from your hand: Combine it with target host. Augment only as a sorcery.)

As this enchantment enters, choose white-bordered or silver-bordered.
Whenever a creature you control with the chosen border enters, draw a card.

Bumbling Pangolin

When this creature enters, you may destroy target artifact.

Underdome

{T}: Add {C}.
{T}: Add one mana of any color. Spend this mana only to pay Un-costs.

Inflation Station

Whenever you crank this Contraption, target creature gets +3/+3 until end of turn.

As Luck Would Have It

Hexproof
Whenever you roll a die, put a number of luck counters on this enchantment equal to the result. Then if there are 100 or more luck counters on this enchantment, you win the game. (Count both rolls if you reroll a die.)

Surgeon General Commander

Whenever you augment, enchant, or mutate a creature you control, draw a card.
{T}: Add {W}, {U}, {B}, {R}, or {G}.

Rapid Prototyper

Whenever you crank this Contraption, create an X/X colorless Construct artifact creature token, where X is the number of artifacts you control.

Robo-

At the beginning of each end step, if an artifact entered the battlefield under your control this turn,
Augment {2} ({2}, Reveal this card from your hand: Combine it with target host. Augment only as a sorcery.)

Half-Shark, Half-

At the beginning of your upkeep,
Augment {5}{U} ({5}{U}, Reveal this card from your hand: Combine it with target host. Augment only as a sorcery.)

Monkey-

Whenever a nontoken creature you control dies,
Augment {2}{G} ({2}{G}, Reveal this card from your hand: Combine it with target host. Augment only as a sorcery.)

Sword of Dungeons & Dragons

Equipped creature gets +2/+2 and has protection from Rogues and from Clerics.
Whenever equipped creature deals combat damage to a player, create a 4/4 gold Dragon creature token with flying and roll a d20 (a twenty-sided die). If you roll a 20, repeat this process.
Equip {2}

Multi-Headed

At the beginning of each end step, if you rolled a die this turn,
Augment {4}{G} ({4}{G}, Reveal this card from your hand: Combine it with target host. Augment only as a sorcery.)

Stinging Scorpion

When this creature enters, target creature an opponent controls gets -1/-1 until end of turn.

Druid of the Sacred Beaker

{T}: Add {G} for each Crossbreed Labs watermark among permanents you control.

Rings a Bell

As this enchantment enters, choose a word with four or more letters.
After you say the chosen word for the first time each turn, an opponent may ring or imitate a bell within five seconds. When no opponent does, draw a card.

Staying Power

"Until end of turn" and "this turn" effects don't end.

Genetic Recombinator

Whenever you crank this Contraption, up to two target creatures each get +2/+2 until end of turn.

Growth Spurt

Roll a six-sided die. Target creature gets +X/+X until end of turn, where X is the result.

Sundering Fork

Whenever you crank this Contraption, destroy target artifact.

Secret Base

{T}: Add {C}.
{T}: Add one mana of any color. Spend this mana only to cast a spell that shares a watermark with this land.

Gnome-Made Engine

When this creature enters, create a 1/1 colorless Gnome artifact creature token.

Twiddlestick Charger

Whenever you crank this Contraption, tap or untap target creature.

AWOL

Exile target attacking creature. Then remove it from the game. Then put it into the absolutely-removed-from-the-freaking-game-forever zone.

As Ineffable Blessing enters, choose a number.
Whenever a creature you control with exactly the chosen number of words in its name enters, draw a card. (Hyphenated words are one word.)

Mountain

Widget Contraption

Whenever you crank this Contraption, it assembles a Contraption. (Put the top card of your Contraption deck face up onto one of your sprockets.)

Stamp of Approval

As this artifact enters, choose a watermark.
Creatures you control with the chosen watermark get +1/+1.

B-I-N-G-O

Trample
Whenever a player casts a spell, put a chip counter on its mana value.
This creature gets +9/+9 for each set of three numbers in a row with chip counters on them.