This land enters tapped unless you control an Island. {T}: Add {U}. {U}, {T}: The next spell you cast this turn has improvise. (Your artifacts can help cast that spell. Each artifact you tap after you're done activating mana abilities pays for {1}.)

This land enters tapped. When this land enters, return a land you control to its owner's hand. {T}: Add {W}{U}.

{T}: Add {C}. {2}, {T}, Sacrifice this land: Return target artifact card from your graveyard to your hand.

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

{T}: Add one mana of any color that a land an opponent controls could produce.

This land enters tapped unless you control a Plains or an Island. {T}: Add {W} or {U}.

({T}: Add {U}.)

{T}: Add {C}. {T}: Add one mana of any color. Spend this mana only to cast a Pilot or Vehicle spell. {3}, {T}: Target Vehicle becomes an artifact creature until end of turn.

{T}: Add {U}. Channel — {3}{U}, Discard this card: Return target artifact, creature, enchantment, or planeswalker to its owner's hand. This ability costs {1} less to activate for each legendary creature you control.

({T}: Add {W}.)

As this land enters, you may reveal a Plains or Island card from your hand. If you don't, this land enters tapped. {T}: Add {W} or {U}.

({T}: Add {W} or {U}.) This land enters tapped unless you control two or more basic lands.

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

{1}, {T}: Add {W}{U}.

Counter target noncreature spell. Its controller creates two Treasure tokens. (They're artifacts with "{T}, Sacrifice this token: Add one mana of any color.")

Counter target spell. Its controller may draw up to two cards at the beginning of the next turn's upkeep. You draw a card at the beginning of the next turn's upkeep.

Choose a number between 0 and 13. Each player sacrifices that many creatures of their choice.

Counter target spell.

Return each nonland permanent that's not historic to its owner's hand. (Artifacts, legendaries, and Sagas are historic.)

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

This spell can't be countered. Counter target noncreature spell.

Destroy target permanent. Its controller creates a 3/3 green Elephant creature token.

Counter target spell unless its controller pays {3}.

Counter target noncreature spell.

Counter target spell unless its controller pays {3}. If that spell is countered this way, exile it instead of putting it into its owner's graveyard.

Tap an untapped creature you control: Tap target artifact, creature, or land.

Exile target creature. Its controller may search their library for a basic land card, put that card onto the battlefield tapped, then shuffle.

Flash Enchant creature or Vehicle Enchanted permanent is a Vehicle artifact with crew 5 and it loses all other card types. (It's not a creature unless it's crewed.)

{T}: Add one mana of any color. Crew 3 (Tap any number of creatures you control with total power 3 or more: This Vehicle becomes an artifact creature until end of turn.)

Your opponents can't cast spells this turn.

Sacrifice a creature: Add {C}{C}.

Sacrifice a creature: The next time a source of your choice would deal damage to any target this turn, prevent that damage.

{T}: Target player mills a card. (They put the top card of their library into their graveyard.) {5}, {T}, Sacrifice this artifact: Return target card from your graveyard to your hand.

If you would draw a card while your library has no cards in it, you win the game instead.

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

{T}: Add {C}. Spend this mana only to activate an ability or cast an artifact spell.

{1}, {T}: Add {W}{U}.

You have no maximum hand size. {T}: Add one mana of any color.

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

{T}: Add one mana of any color that a land an opponent controls could produce.

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

{T}: Add {W}.

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

{T}: Add {C}{C}.

{T}: Add {U}.

Whenever an opponent draws a card, that player may pay {2}. If the player doesn't, you create a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.")

{T}: Add {C}{C}.

{T}: Add one mana of any color. {1}, {T}: Untap another target artifact. {2}, {T}: Scry 1. (Look at the top card of your library. You may put that card on the bottom.) {3}, {T}: Target creature can't be blocked this turn.

{T}: Add {C}. {T}: Add {W} or {U}. This artifact deals 1 damage to you.

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

{T}: Add {C}{C}{C}.

Search your library for an artifact or enchantment card, reveal it, then shuffle and put that card on top.

Search your library for an artifact card, reveal it, put it into your hand, then shuffle.

Search your library for an enchantment card, reveal it, put it into your hand, then shuffle.

Vigilance When this creature enters, you may search your library for an artifact card, reveal it, then shuffle. Put that card into your hand if you control an Assassin. Otherwise, put that card on top of your library.

Divine Intervention — When this creature enters, you may search your library for an enchantment card, reveal it, then shuffle and put that card on top.

Search your library for an instant or sorcery card, reveal it, then shuffle and put that card on top.

As an additional cost to cast this spell, sacrifice an artifact. Search your library for an artifact card with mana value X or less, put it onto the battlefield, then shuffle.

Search your library for an instant or sorcery card, reveal it, put it into your hand, then shuffle.

Untap all nonland permanents you control.

Creatures don't untap during their controllers' untap steps. Whenever a creature enters, untap all creatures.

{1}, {T}: Untap another target artifact. {3}, {T}: Target creature can't be blocked this turn.

{X}, {T}: Tap X target noncreature artifacts. {X}, {T}: Untap X target noncreature artifacts.

Whenever you draw a card, you may pay {1}. When you do, you may tap or untap target creature.

{T}: Untap another target permanent.

Untap all artifacts you control during each other player's untap step.