{U}, Sacrifice Aether Spellbomb: Return target creature to its owner's hand. {1}, Sacrifice Aether Spellbomb: Draw a card.

{1}, {T}, Sacrifice Chromatic Sphere: Add one mana of any color. Draw a card.

{1}, {T}, Sacrifice Chromatic Star: Add one mana of any color. When Chromatic Star is put into a graveyard from the battlefield, draw a card.

Coldsteel Heart enters the battlefield tapped. As Coldsteel Heart enters the battlefield, choose a color. {T}: Add one mana of the chosen color.

{1}, {T}, Sacrifice Inscribed Tablet: Reveal the top five cards of your library. Put a land card from among them into your hand and the rest on the bottom of your library in a random order. If you didn't put a card into your hand this way, draw a card.

{T}: Add {C}. {1}, {T}, Sacrifice Mind Stone: Draw a card.

You may look at the top card of your library any time. You may cast artifact spells and colorless spells from the top of your library. {T}, Pay 1 life: Exile the top card of your library.

{2}, {T}, Sacrifice Ominous Parcel: Search your library for a basic land card, reveal it, put it into your hand, then shuffle. {5}, {T}, Sacrifice Ominous Parcel: It deals 4 damage to target creature.

Renegade Map enters the battlefield tapped. {T}, Sacrifice Renegade Map: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.

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

({T}: Add {U}.)

Choose one — • Brotherhood's End deals 3 damage to each creature and each planeswalker. • Destroy all artifacts with mana value 3 or less.

Flash This spell costs {1} less to cast for each attacking creature you control. When Embercleave enters the battlefield, attach it to target creature you control. Equipped creature gets +1/+1 and has double strike and trample. Equip {3}

Spells your opponents cast cost {2} more to cast. At the beginning of your end step, each opponent loses 1 life.

At the beginning of combat on your turn, create a token that's a copy of equipped creature, except the token isn't legendary. That token gains haste. Equip {5}

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

Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for {1}.) Counter target spell unless its controller pays {3}.

When Meteor Golem enters the battlefield, destroy target nonland permanent an opponent controls.

You may look at the top card of your library any time. You may cast artifact spells and colorless spells from the top of your library. {T}, Pay 1 life: Exile the top card of your library.

If an artifact or creature entering the battlefield causes a triggered ability of a permanent you control to trigger, that ability triggers an additional time.