Activated abilities of artifacts can't be activated.

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

Hideaway 5
, : Put a +1/+1 counter on target creature you control. Then if you control three or more creatures with different powers, you may play the exiled card without paying its mana cost.

When this artifact enters, tap up to one target creature and put two stun counters on it.
, : Tap target creature.

, : Draw a card, then discard a card. Create a Treasure token.

Whenever you cast a spell that targets a creature you control, put a +1/+1 counter on Colleen Wing. Scry 1.

Collision deals 6 damage to target creature with flying.

Target creature gets +4/+2 and gains trample until end of turn.

Choose one —
• Collision Course deals X damage to target creature, where X is the number of permanents you control that are creatures and/or Vehicles.
• Destroy target artifact.

Each player shuffles all creatures they own into their library. Each player who shuffled a nontoken creature into their library this way reveals cards from the top of their library until they reveal a creature card, then puts that card onto the battlefield and the rest on the bottom of their library in a random order.

Lifelink
Exploit
Other legendary creatures you control have exploit.
Whenever a creature you control exploits a creature, put a +1/+1 counter on each creature you control.

Ward , haste
Opus — Whenever you cast an instant or sorcery spell, this creature gets +1/+1 until end of turn. If five or more mana was spent to cast that spell, create a token that's a copy of this creature.

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

Reach, trample

When this creature enters, you gain 3 life.

Starting intensity 2
Conjure X cards named Colossal Dreadmaw onto the battlefield, where X is this spell's intensity.
All Chorus cards you own intensify by 1.

Put a +1/+1 counter on target creature you control. Then that creature deals damage equal to its power to target creature an opponent controls.
Basic landcycling

Living weapon
Equipped creature gets +6/+6 and has trample.
Equip

Flying
Whenever this creature enters or attacks, mill three cards.
Whenever one or more creature cards are put into your graveyard from your library, put one of them onto the battlefield.

Kicker
Target creature gets +3/+3 until end of turn. If this spell was kicked, instead that creature gets +4/+4 and gains trample and haste until end of turn.

Strive — This spell costs more to cast for each target beyond the first.
Any number of target creatures each get +2/+2 until end of turn. Untap those creatures.

At the beginning of your upkeep, if you control a creature with power 4 or greater, draw a card.

Target creature gets +4/+2 and gains trample until end of turn.

Whenever this Vehicle attacks, add and you gain 3 life. Until end of turn, you don't lose this mana as steps and phases end.
Crew 6

Colossal Rattlewurm has flash as long as you control a Desert.
Trample
, Exile this card from your graveyard: Search your library for a Desert card, put it onto the battlefield tapped, then shuffle.

Flying, ward
Channel — , Discard this card: Return target card from your graveyard to your hand.
Channel — , Discard this card: Return target creature to its owner's hand.

Islandwalk
Whenever this creature attacks, you may exile target creature defending player controls until this creature leaves the battlefield. (That creature returns under its owner's control.)