Counter target activated or triggered ability. (Mana abilities can't be targeted.)

First strike (This creature deals combat damage before creatures without first strike.)
Protection from white (This creature can't be blocked, targeted, dealt damage, or enchanted by anything white.)

Flying
: This creature gets +1/+0 until end of turn.

Enchant creature
When this Aura enters, untap up to five lands.
You control enchanted creature.

: Add .
, Sacrifice this land: Destroy target nonbasic land.

Flying

Flying
Whenever a Dragon you control attacks, create a 6/6 red Dragon creature token with flying.

Skip your draw step.
Whenever you discard a card, exile that card from your graveyard.
Pay 1 life: Exile the top card of your library face down. Put that card into your hand at the beginning of your next end step.

: Add .
: Add or . This land deals 1 damage to you.

Whenever an opponent casts a spell, you may draw a card unless that player pays .

: Add .
: Add or . This land deals 1 damage to you.

More Than Meets the Eye (You may cast this card converted for .)
At the beginning of each end step, bolster 1. (Choose a creature with the least toughness among creatures you control and put a +1/+1 counter on it.)
When Optimus Prime dies, return it to the battlefield converted under its owner's control.

Flying, deathtouch
Whenever an opponent loses life, you gain that much life. (Damage causes loss of life.)

Psychosis Crawler's power and toughness are each equal to the number of cards in your hand.
Whenever you draw a card, each opponent loses 1 life.

You may look at the top card of your library any time.
Would You Like A...? — Once each turn, you may play a historic land or cast a historic spell from the top of your library. When you do, create a Food token. (Artifacts, legendaries, and Sagas are historic.)

Other Goblins get +1/+1 and have mountainwalk.

Whenever you tap a Forest for mana, add an additional .
+1: Put three +1/+1 counters on up to one target noncreature land you control. Untap it. It becomes a 0/0 Elemental creature with vigilance and haste that's still a land.
−8: You get an emblem with "Lands you control have indestructible." Search your library for any number of Forest cards, put them onto the battlefield tapped, then shuffle.

: Add .

, Pay 1 life, Sacrifice this land: Search your library for a Forest or Island card, put it onto the battlefield, then shuffle.

As this artifact enters, choose an opponent.
At the beginning of the chosen player's upkeep, this artifact deals X damage to that player, where X is the number of cards in their hand minus 4.