Flying
Whenever this creature attacks, it deals 1 damage to target creature an opponent controls.

Destroy target creature or land. It can't be regenerated.

Choose one or both —
• Destroy target artifact.
• Destroy target nonbasic land.

: This creature gets +1/-1 until end of turn.

: This creature deals 1 damage to target creature blocking it.

Flying
: This creature gets +2/-2 until end of turn.

Double strike
When this creature enters, it deals 4 damage divided as you choose among any number of target creatures and/or planeswalkers.
Evoke — Exile a red card from your hand.

When this creature enters, other creatures you control gain ": This creature deals 2 damage to any target" until end of turn.
Persist

At the beginning of your upkeep, you may look at the top card of your library. You may cast it without paying its mana cost if it's an instant or sorcery spell.

Hellbent — This creature gets +2/+2 as long as you have no cards in hand.
Morph — Discard a card.

Trample
When General Traag enters, you may sacrifice another artifact. When you do, General Traag deals 4 damage to target creature.

Landfall — Whenever a land you control enters, this creature gains flying until end of turn.

Menace
Whenever Ghost-Spider attacks, she deals X damage to defending player, where X is the number of attacking creatures.

Flying, haste
You may exert this creature as it attacks. When you do, it deals 4 damage to target non-Dragon creature an opponent controls.

Whenever this creature or another Goblin enters, each player flips a coin. Each player whose coin comes up tails sacrifices a creature of their choice.

When Goblin Blastronauts enters, open an Attraction.
Whenever you roll a 6, you may copy the spell, ability, or Attraction visit that caused you to roll that die. You may choose new targets for the copy.

Menace
When this creature enters, you may cast target instant or sorcery card with mana value 3 or less from your graveyard without paying its mana cost. If that spell would be put into your graveyard, exile it instead.

Create four 1/1 red Goblin creature tokens.

Create three 1/1 red Goblin Scout creature tokens with mountainwalk.

Flying, haste
Whenever this creature attacks or becomes the target of a spell, create a Treasure token.
Treasures you control have ", Sacrifice this artifact: Add two mana of any one color."

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

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

: Heartless Hidetsugu deals damage to each player equal to half that player's life total, rounded down.

When this enchantment enters, create three Treasure tokens.
Sacrifice a Treasure: Exile the top card of your library. You may play it this turn.

Sacrifice any number of lands. Reveal the top X cards of your library, where X is the number of lands sacrificed this way. Choose any number of artifact and/or land cards revealed this way. Put all nonland cards chosen this way onto the battlefield, then put all land cards chosen this way onto the battlefield tapped, then put the rest on the bottom of your library in a random order.

For Mirrodin!
Equipped creature gets +2/+2.
Whenever equipped creature attacks, if it's the first combat phase of the turn, untap each attacking creature. After this phase, there is an additional combat phase.
Equip

You may choose not to untap Hivis during your untap step.
: Gain control of target Dragon for as long as you control Hivis and Hivis remains tapped.

Flying
When this creature enters, you may search your library for an artifact card, exile it, then shuffle.
When this creature dies, you may put the exiled card into its owner's hand.

All creatures lose indestructible until end of turn. Hour of Devastation deals 5 damage to each creature and each non-Bolas planeswalker.