Skulk (This creature can't be blocked by creatures with greater power.) Whenever this creature attacks and isn't blocked, it gets +X/+0 until end of turn, where X is the number of attacking artifact creatures.

Artifact creatures you control have afflict 3. (Whenever a creature with afflict 3 becomes blocked, defending player loses 3 life.)

Return all attacking creatures to their owner's hand.

Counter target spell.

Turn target creature face down. It's a 2/2 Cyberman artifact creature.

Return to their owners' hands all creatures with toughness less than or equal to the number of Islands you control.

Counter target creature spell. Put a +1/+1 counter on up to one target creature you control.

Return all creatures to their owners' hands. For each opponent who controlled a creature returned this way, you create two 1/1 blue Faerie creature tokens with flying and "This token can block only creatures with flying."

Counter target creature spell. If it was a legendary spell, the Ring tempts you.

Bargain (You may sacrifice an artifact, enchantment, or token as you cast this spell.) This spell costs {1} less to cast if it's bargained. Counter target spell.

Choose three. You may choose the same mode more than once. • Counter target spell unless its controller pays {3}. • Return target creature to its owner's hand. • Draw a card.

Tap all creatures target player controls. Those creatures don't untap during that player's next untap step.

When this artifact enters, destroy target permanent. When this artifact is put into a graveyard from the battlefield, return it to its owner's hand.

If a creature an opponent controls would die, exile it instead. {2}, {T}, Sacrifice Stone of Erech: Exile target player's graveyard. Draw a card.

Counter target spell unless its controller pays {X}. If that spell is countered this way, exile it instead of putting it into its owner's graveyard.

({T}: Add {U}.)

You have no maximum hand size. {T}: Add {C}.

{T}: Add {C}. {2}, {T}, Sacrifice this land: Draw a card if you control an artifact. Draw a card if you control an enchantment.

Nonlegendary artifact creatures you control have myriad. (Whenever a creature with myriad attacks, for each opponent other than defending player, you may create a token copy that's tapped and attacking that player or a planeswalker they control. Exile the tokens at end of combat.)

This creature enters with five +1/+1 counters on it. {1}, Remove a +1/+1 counter from this creature: Create a 1/1 colorless Pentavite artifact creature token with flying. {1}, Sacrifice a Pentavite: Put a +1/+1 counter on this creature.

Flying Whenever an artifact creature you control deals combat damage to a player, you may create a 1/1 blue Thopter artifact creature token with flying.

When this artifact enters, scry 2. Whenever another artifact you control with mana value 3 or greater enters, create a 0/0 colorless Construct artifact creature token with "This token gets +1/+1 for each artifact you control."

Thopters you control get +1/+1. If one or more artifact tokens would be created under your control, those tokens plus an additional 1/1 colorless Thopter artifact creature token with flying are created instead.

Counter target spell unless its controller pays {2}.

Nonland permanents you control are artifacts in addition to their other types. The same is true for permanent spells you control and nonland permanent cards you own that aren't on the battlefield.

Artifacts you control have hexproof. (They can't be the targets of spells or abilities your opponents control.) At the beginning of your upkeep, if you control the artifact with the highest mana value or tied for the highest mana value, draw a card.

You may cast Dragon spells and artifact spells as though they had flash. Choose a Background (You can have a Background as a second commander.)

Equipped creature has hexproof and haste. (It can't be the target of spells or abilities your opponents control. It can attack and {T} no matter when it came under your control.) Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)

Whenever a creature you control deals combat damage to a player, you may draw a card. {1}{U}, {T}: Creatures your opponents control attack this turn if able.

Whenever a creature you control deals combat damage to an opponent, you may draw a card.

Flying When this creature enters, draw cards equal to the number of opponents you have. {3}{U}: Create a 1/1 colorless Thopter artifact creature token with flying.

As this enchantment enters, choose a creature type. Whenever a creature you control of the chosen type enters or attacks, draw a card.

Draw three cards. Islandcycling {1} ({1}, Discard this card: Search your library for an Island card, reveal it, put it into your hand, then shuffle.)

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 "{2}, Sacrifice this token: Draw a card.")

You have no maximum hand size. Sonic Booster — Whenever Nyssa of Traken attacks, sacrifice any number of artifacts. When you sacrifice one or more artifacts this way, tap up to that many target creatures and draw that many cards. Doctor's companion (You can have two commanders if the other is the Doctor.)

Look at the top three cards of your library, then put them back in any order. You may shuffle. Draw a card.

Flying When this creature enters, draw a card.

{5}{U}, {T}: Draw a card. This ability costs {1} less to activate for each other artifact you control.

You may look at the top card of your library any time. As long as The Reality Chip is attached to a creature, you may play lands and cast spells from the top of your library. Reconfigure {2}{U} ({2}{U}: Attach to target creature you control; or unattach from a creature. Reconfigure only as a sorcery. While attached, this isn't a creature.)

At the beginning of your upkeep, if you control an artifact, create a 1/1 colorless Thopter artifact creature token with flying. Whenever one or more artifact creatures you control deal combat damage to a player, draw a card.

Draw cards equal to the highest mana value among historic permanents you control. (Artifacts, legendaries, and Sagas are historic.)

Flying Whenever a creature with flying attacks, you may draw a card.

{T}: Add one mana of any color in your commander's color identity.

{2}, {T}, Sacrifice this artifact: Search your library for up to two basic land cards, reveal them, put them into your hand, then shuffle.

When this artifact enters, draw three cards. {T}: Add three mana of any one color. Whenever one or more creatures an opponent controls attack you and aren't blocked, that player draws three cards and gains control of this artifact. Untap it.

{T}: Add {C}{C}{C}. {3}, {T}, Sacrifice this artifact: Draw three cards.

Artifact spells you cast cost {1} less to cast.

{T}: Add three mana of any one color.

Flying Historic spells you cast cost {1} less to cast. (Artifacts, legendaries, and Sagas are historic.)

{T}: Add {C}. {4}, {T}: Investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this token: Draw a card.")

{T}: Add {C}. {1}, {T}, Sacrifice this artifact: Draw a card.

When this creature enters, you gain 2 life. {T}: Add one mana of any color.

Flying {T}: Add one mana of any color.