Nick Valentine can't be blocked except by artifact creatures.
Whenever Nick Valentine or another artifact creature you control dies, you may investigate. (To investigate, create a Clue token. It's an artifact with ", Sacrifice this token: Draw a card.")

As an additional cost to cast this spell, sacrifice a land.
Search your library for a land card, put that card onto the battlefield, then shuffle.

Each player draws three cards, then discards three cards at random.

Each nonland card in your hand without foretell has foretell. Its foretell cost is equal to its mana cost reduced by . (During your turn, you may pay and exile it from your hand face down. Cast it on a later turn for its foretell cost.)
Whenever you foretell a card, this creature gets +2/+0 until end of turn.

( can be paid with either or .)
Players can't search libraries this turn.
Draw a card.

Commander ninjutsu (, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand or the command zone tapped and attacking.)
Whenever a Ninja you control deals combat damage to a player, reveal the top card of your library and put that card into your hand. Each opponent loses life equal to that card's mana value.

Casualty X. The copy isn't legendary and has starting loyalty X. (As you cast this spell, you may sacrifice a creature with power X. When you do, copy this spell. The copy becomes a token.)
+1: Each opponent loses 2 life unless they discard a card. If you control a Demon or Devil, you gain 2 life.
−2: Create a 1/1 red Devil creature token with "When this token dies, it deals 1 damage to any target."
−7: Target player draws seven cards and loses 7 life.

Exile target nonland permanent. You lose 3 life.

Flying
Instant and sorcery spells you cast cost less to cast.
, Sacrifice this creature: When you next cast an instant or sorcery spell this turn, copy it for each time you've cast your commander from the command zone this game. You may choose new targets for the copies.

Search your library for up to three creature cards, put them into your graveyard, then shuffle.

Artifact creatures and Heroes you control get +1/+1 for each Artificer you control and each Artificer card in your graveyard.
A deck can have any number of cards named Cid, Timeless Artificer.
Cycling (, Discard this card: Draw a card.)

Menace
Whenever you sacrifice Kingpin or another creature, create two Treasure tokens. This ability triggers only once each turn. (They're artifacts with ", Sacrifice this token: Add one mana of any color.")

Flying, first strike, vigilance, lifelink, protection from red and from green

, Sacrifice a creature: Reveal cards from the top of your library until you reveal a creature card. Put that card into your hand and the rest on the bottom of your library in a random order.

Destroy all creatures. They can't be regenerated. Draw a card for each creature destroyed this way.
Cycling (, Discard this card: Draw a card.)
When you cycle this card, all creatures get -2/-2 until end of turn.

, Sacrifice this land: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle. Then if you control four or more lands, untap that land.

Choose one —
• Destroy target enchantment.
• Draw two cards.
• Target player discards two cards.

(: Add .)

Whenever another creature enters, you gain 1 life.

Creatures can't attack you unless their controller pays for each creature they control that's attacking you.