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

Whenever this creature deals combat damage to a player, it reassembles target Contraption that player controls. (Gain control of it and move it onto one of your sprockets.)

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

Flying
When this creature enters, return a creature you control to its owner's hand unless you compliment an opponent.

Cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom in a random order.)
When this creature enters, roll a six-sided die. This creature deals damage equal to the result to target opponent or planeswalker.

Flying
This creature gets +2/+2 and has deathtouch as long as it's dark outdoors.

Battle cry (Whenever this creature attacks, each other attacking creature gets +1/+0 until end of turn.)
When this creature enters, roll two six-sided dice. Create a number of 1/1 red Goblin creature tokens equal to the difference between those results.

: Flip a coin. If you win the flip, add . Activate only as an instant.
, : Target player discards a card. Activate only during your turn.
: This artifact becomes an X/X Construct artifact creature until end of turn.

, : Draw a card. Activate only if you have no cards in hand.
, : You gain 10 life.
, , Sacrifice this artifact: You may put a silver-bordered or acorn permanent card from your hand onto the battlefield.

Sacrifice a land: You gain 2 life.
Sacrifice a creature: Add .
, Discard a card: Search your library for a card that shares a complete word in its name with the name of the discarded card, reveal it, put it into your hand, then shuffle.

Last strike (This creature deals combat damage after creatures without last strike.)
Battalion — Whenever this creature and at least two other creatures attack, target creature can't block this turn.

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

Unleash (You may have this creature enter with a +1/+1 counter on it. It can't block as long as it has a +1/+1 counter on it.)
Each creature you control with any kind of counter on it has art menace. (They can't be blocked except by creatures with two or more visible figures in their art.)

Whenever you cast a spell with a Goblin Explosioneers watermark, this enchantment deals 2 damage to any target.

: Exile this artifact and target nontoken creature you own. Return them to the battlefield at the beginning of your upkeep on your turn X in the next game you play with one of your opponents in this game, where X is the mana value of the exiled creature.

Flying
When this creature enters, you may return target permanent with a two-word name to its owner's hand.

This creature enters with up to two shoe counters on it. Use your shoes as counters.
This creature gets +1/+1 for each shoe counter on it.

, Give an opponent a nonland card you own from outside the game: Prevent the next 1 damage that would be dealt to you or this creature this turn.

This creature gets +2/+2 and has trample as long as you're eating. (Gum isn't food. We checked.)

Each other Donkey gets +1½/+1½.
Whenever another Donkey enters, untap target creature and gain control of it until end of turn. That creature gains haste until end of turn.

As this creature enters, an opponent chooses one of your fingers. (Thumbs are fingers, too.)
When the chosen finger isn't touching this creature, sacrifice this creature.

Whenever this creature blocks or becomes blocked by a creature with fewer letters in its name, destroy that creature at end of combat. (Punctuation and spaces aren't letters.)
Whenever an opponent reads this creature, that player is turned to stone until end of turn. Stoned players can't attack, block, cast spells, or activate abilities.

, Sacrifice this artifact: Choose a Magic set. Exile all permanents with that set's expansion symbol except for basic lands.

Flying
At the beginning of your end step, conjure a random card from Darigaaz, Shivan Champion's spellbook into exile face down with three egg counters on it. It gains "At the beginning of your upkeep, if this card is exiled, remove an egg counter from it. Then if it has no egg counters on it, put it onto the battlefield."

Gift a Rhystic Study
Shuffle your hand and graveyard into your library, then draw seven cards. If the gift wasn't promised, each other player also shuffles their hand and graveyard into their library, then draws seven cards.

Menace
When Vona de Iedo enters, destroy target nonland, nontoken permanent an opponent controls. Then you may discard a card. If you do, conjure a duplicate of that permanent into your hand, and the duplicate perpetually gains prismatic.

Trample
At the beginning of your end step, nonland cards in your hand perpetually gain "This spell costs less to cast."

Return up to two target creature cards from your graveyard to your hand, then seek two noncreature, nonland cards.

Trample, Haste
Whenever Scalesoul Gnome deals combat damage to a player, discover X, where X is that damage.
Whenever you play a card from exile, conjure a duplicate of it into your hand.

Flying
When Magmatic Scorchwing enters, if there are no nonbasic land cards in your library, Magmatic Scorchwing deals 3 damage to any target.

As an additional cost to cast this spell, you may sacrifice a non-Demon creature.
Flying
When Graven Archfiend enters the battlefield, if its additional cost was paid, conjure a card named Demonic Pact onto the battlefield.

Flying
When Herald of Vengeance enters the battlefield, destroy each permanent you don't control that has the same name as a permanent that dealt damage to you last turn.

At the beginning of your end step, creatures you control and creature cards in your hand, library, and graveyard perpetually get +1/+1.

When Kayla's Kindling enters, it deals 2 damage to any target.
At the beginning of your upkeep, draft a card from Kayla's Kindling's spellbook and exile it. Until end of turn, you may cast that card.

+1: Add . Draft a card from Tibalt, Wicked Tormentor's spellbook, then exile it. Until end of turn, you may cast that card.
+1: Tibalt, Wicked Tormentor deals 4 damage to target creature or planeswalker unless its controller has Tibalt deal 4 damage to them. If they do, you may discard a card. If you do, draw a card.
−X: Create X 1/1 red Devil creature tokens with "When this creature dies, it deals 1 damage to any target."

Flying
When Geist of Regret enters the battlefield, put a random instant card from your library into your graveyard. Then put a random sorcery card from your library into your graveyard.
Whenever you cast an instant or sorcery spell from your graveyard, copy that spell. You may choose new targets for the copy.