Devoid (This card has no color.)
When you cast this spell, exile target artifact, enchantment, or land.
Reach
, Sacrifice a land: Return this card from your graveyard to your hand. ( represents colorless mana.)

When this Equipment enters, attach it to target creature you control.
Equipped creature gets +2/+1 and has flying.
: If this Equipment isn't a creature, it becomes a 0/0 Construct Hero artifact creature with flying and "This creature gets +1/+1 for each artifact you control" until end of turn.
Equip

Target player draws two cards and loses 2 life.

You have no maximum hand size.
: Add .

Whenever another Rat you control enters, exile up to one target card from an opponent's graveyard.
At the beginning of combat on your turn, create a 1/1 black Rat creature token with "This token can't block."

: Add .
, , Pay life equal to the number of colors in your commanders' color identity: Draw a card.

Deathtouch, lifelink
Power-up — : Put two +1/+1 counters on Thanos. Choose odd or even. Destroy each other creature with mana value of the chosen quality. (Activate each power-up ability only once. Reduce the cost by his mana cost if he entered this turn. Zero is even.)

+1: Target land you control becomes a 4/4 Elemental creature with trample. It's still a land.
+1: Untap up to four target Forests.
−7: Search your library for any number of basic land cards, put them onto the battlefield, then shuffle. Those lands become 4/4 Elemental creatures with trample. They're still lands.

As this artifact enters, choose a creature type.
Creature spells you cast of the chosen type cost less to cast.
At the beginning of your upkeep, look at the top card of your library. If it's a creature card of the chosen type, you may reveal it and put it into your hand.

Sacrifice a creature: This creature gets +2/+2 until end of turn.

Choose one —
• Target creature gets +3/+3 until end of turn.
• Permanents you control gain hexproof until end of turn.
• Return target creature to its owner's hand.

Whenever one or more non-Toy creatures you control attack a player, create a 1/1 white Toy artifact creature token.
(You may cast either half. That door unlocks on the battlefield. As a sorcery, you may pay the mana cost of a locked door to unlock it.)

Whenever you attack, target creature gains deathtouch until end of turn. Whenever that creature deals combat damage to a player this combat, this creature becomes prepared. (While it's prepared, you may cast a copy of its spell. Doing so unprepares it.)

As this land enters, you may reveal a Merfolk card from your hand. If you don't, this land enters tapped.
: Add or .

Draw cards equal to the greatest power among creatures you control.
You may cast a spell with mana value 5 or less from your hand without paying its mana cost.

Flying, vigilance
Each instant and sorcery spell you cast has casualty 1. (As you cast that spell, you may sacrifice a creature with power 1 or greater. When you do, copy the spell and you may choose new targets for the copy.)

: Add one mana of any color.
, : Up to X target creatures you control each gain haste until end of turn and can't be blocked this turn except by creatures with haste, where X is the number of Bobbleheads you control as you activate this ability.

: Choose target non-Wall creature the active player has controlled continuously since the beginning of the turn. That creature attacks this turn if able. Destroy it at the beginning of the next end step if it didn't attack this turn. Activate only during an opponent's turn, before attackers are declared.

Artifacts you control have ward . (Whenever an artifact you control becomes the target of a spell or ability an opponent controls, counter it unless that player pays .)
When Elder Owyn Lyons enters or dies, return target artifact card from your graveyard to your hand.

+2: Each opponent loses 1 life. You gain life equal to the life lost this way.
−2: Create a 5/5 black Demon creature token with flying. You lose 2 life.
−8: You get an emblem with ", Sacrifice a creature: You gain X life and draw X cards, where X is the sacrificed creature's power."
Ob Nixilis of the Black Oath can be your commander.