Imprint — When Chrome Mox enters the battlefield, you may exile a nonartifact, nonland card from your hand. {T}: Add one mana of any of the exiled card's colors.

Whenever a nonartifact permanent enters the battlefield under your control, you may return another permanent you control that shares a permanent type with it to its owner's hand.

{T}: Add {R}. As Cursed Mirror enters the battlefield, you may have it become a copy of any creature on the battlefield until end of turn, except it has haste.

Grim Monolith doesn't untap during your untap step. {T}: Add {C}{C}{C}. {4}: Untap Grim Monolith.

{T}, Sacrifice Jeweled Lotus: Add three mana of any one color. Spend this mana only to cast your commander.

Discard your hand, Sacrifice Lion's Eye Diamond: Add three mana of any one color. Activate only as an instant.

At the beginning of your upkeep, flip a coin. If you lose the flip, Mana Crypt deals 3 damage to you. {T}: Add {C}{C}.

Mana Vault doesn't untap during your untap step. At the beginning of your upkeep, you may pay {4}. If you do, untap Mana Vault. At the beginning of your draw step, if Mana Vault is tapped, it deals 1 damage to you. {T}: Add {C}{C}{C}.

If Mox Diamond would enter the battlefield, you may discard a land card instead. If you do, put Mox Diamond onto the battlefield. If you don't, put it into its owner's graveyard. {T}: Add one mana of any color.

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.

{1}, {T}: Exile any number of cards from your hand face down. Put that many cards from the top of your library into your hand. Then look at the exiled cards and put them on top of your library in any order.

{1}: Look at the top three cards of your library, then put them back in any order. {T}: Draw a card, then put Sensei's Divining Top on top of its owner's library.

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

{1}: Untap Staff of Domination. {2}, {T}: You gain 1 life. {3}, {T}: Untap target creature. {4}, {T}: Tap target creature. {5}, {T}: Draw a card.

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

{T}: Add {C}. {T}: Add one mana of any color. Spend this mana only to cast a legendary spell, and that spell can't be countered.

When Dockside Extortionist enters the battlefield, create X Treasure tokens, where X is the number of artifacts and enchantments your opponents control. (Treasure tokens are artifacts with "{T}, Sacrifice this artifact: Add one mana of any color.")

(Dryad Arbor isn't a spell, it's affected by summoning sickness, and it has "{T}: Add {G}.")

Flash When Dualcaster Mage enters the battlefield, copy target instant or sorcery spell. You may choose new targets for the copy.

When Eternal Witness enters the battlefield, you may return target card from your graveyard to your hand.

Flying When Hellkite Courser enters the battlefield, you may put a commander you own from the command zone onto the battlefield. It gains haste. Return it to the command zone at the beginning of the next end step.

When Imperial Recruiter enters the battlefield, search your library for a creature card with power 2 or less, reveal it, put it into your hand, then shuffle.

{R}, {T}, Discard a card: Create a token that's a copy of another target creature you control. It gains haste and "When this creature dies, draw a card." Sacrifice it at the beginning of the next end step. Activate only as a sorcery. Blitz {1}{R} (If you cast this spell for its blitz cost, it gains haste and "When this creature dies, draw a card." Sacrifice it at the beginning of the next end step.)

{1}{R}, {T}: Create a token that's a copy of another target creature you control. It gains haste. Sacrifice it at the beginning of the next end step. Activate only as a sorcery. {6}{R}{R}{R}, {T}: Create five tokens that are copies of another target creature you control. They gain haste. Sacrifice them at the beginning of the next end step. Activate only as a sorcery.

At the beginning of combat on your turn, create X tokens that are copies of another target creature you control, where X is one plus the number of instant and sorcery spells you've cast this turn. They gain haste. Exile them at the beginning of the next end step.

Sacrifice Sakura-Tribe Elder: Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

Whenever another creature enters the battlefield, its controller may draw a card if its power is greater than each other creature's power. {G}, {T}: Add X mana in any combination of colors, where X is the greatest power among creatures you control.

You may cast Squee, the Immortal from your graveyard or from exile.

{1}{G}: You may return another creature you control to its owner's hand. If you do, Temur Sabertooth gains indestructible until end of turn.

Dethrone (Whenever this creature attacks the player with the most life or tied for most life, put a +1/+1 counter on it.) Pay 3 life: Add {R}.

Trample Whenever you tap a land for mana, add one mana of any type that land produced. Whenever an opponent taps a land for mana, that land doesn't untap during its controller's next untap step.

At the beginning of your upkeep, if an opponent controls three or more creatures, sacrifice Defense of the Heart, search your library for up to two creature cards, put those cards onto the battlefield, then shuffle.

Exile a creature you control: Add X mana of any one color, where X is 1 plus the exiled creature's mana value. Spend this mana only to cast creature spells.

Sacrifice a creature: Draw cards equal to the sacrificed creature's power, then discard three cards.

If an effect would create one or more tokens under your control, it creates twice that many of those tokens instead.

The first creature spell you cast each turn costs {2} less to cast. Whenever an opponent casts their first noncreature spell each turn, Shadow in the Warp deals 2 damage to that player.

{G}, Discard a creature card: Search your library for a creature card, reveal that card, put it into your hand, then shuffle.

At the beginning of your draw step, you may draw two additional cards. If you do, choose two cards in your hand drawn this turn. For each of those cards, pay 4 life or put the card on top of your library.

Each nonland card in your graveyard has escape. The escape cost is equal to the card's mana cost plus exile three other cards from your graveyard. (You may cast cards from your graveyard for their escape cost.) At the beginning of the end step, sacrifice Underworld Breach.

As an additional cost to cast this spell, discard a card. Draw two cards and create two Treasure tokens. (They're artifacts with "{T}, Sacrifice this artifact: Add one mana of any color.")

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.) Search your library for a creature card with mana value X or less, put it onto the battlefield, then shuffle.

If you control a commander, you may cast this spell without paying its mana cost. You may choose new targets for target spell or ability.

As an additional cost to cast this spell, sacrifice a land. Search your library for up to two basic land cards, put them onto the battlefield, then shuffle.

({G/P} can be paid with either {G} or 2 life.) Put target card from a graveyard on top of its owner's library.

Buyback {3} (You may pay an additional {3} as you cast this spell. If you do, put this card into your hand as it resolves.) Copy target instant or sorcery spell. You may choose new targets for the copy.

Search your library for a green creature card, reveal it, put it into your hand, then shuffle. At the beginning of your next upkeep, pay {2}{G}{G}. If you don't, you lose the game.

Counter target spell. Choose 1, 2, or 3 at random. Its controller mills that many cards, then exiles cards from the top of their library until they exile a nonland card with a different name than that spell. They may cast that card without paying its mana cost. Then they put the exiled cards on the bottom of their library in a random order.

{T}: Add {C}{C}. Ancient Tomb deals 2 damage to you.

{T}: Add {C}. {3}{G}, {T}, Sacrifice Blighted Woodland: Search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle.

As Cavern of Souls enters the battlefield, choose a creature type. {T}: Add {C}. {T}: Add one mana of any color. Spend this mana only to cast a creature spell of the chosen type, and that spell can't be countered.

({T}: Add {R} or {G}.) Cinder Glade enters the battlefield tapped unless you control two or more basic lands.

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

{T}, Sacrifice Fabled Passage: 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.

({T}: Add {G}.)

As Game Trail enters the battlefield, you may reveal a Mountain or Forest card from your hand. If you don't, Game Trail enters the battlefield tapped. {T}: Add {R} or {G}.

If Gemstone Caverns is in your opening hand and you're not the starting player, you may begin the game with Gemstone Caverns on the battlefield with a luck counter on it. If you do, exile a card from your hand. {T}: Add {C}. If Gemstone Caverns has a luck counter on it, instead add one mana of any color.

Gruul Turf enters the battlefield tapped. When Gruul Turf enters the battlefield, return a land you control to its owner's hand. {T}: Add {R}{G}.

{T}: Add {C}. {T}: Add {R} or {G}. Karplusan Forest deals 1 damage to you.

Mirrorpool enters the battlefield tapped. {T}: Add {C}. {2}{C}, {T}, Sacrifice Mirrorpool: Copy target instant or sorcery spell you control. You may choose new targets for the copy. {4}{C}, {T}, Sacrifice Mirrorpool: Create a token that's a copy of target creature you control.

Hideaway 4 (When this land enters the battlefield, look at the top four cards of your library, exile one face down, then put the rest on the bottom in a random order.) Mosswort Bridge enters the battlefield tapped. {T}: Add {G}. {G}, {T}: You may play the exiled card without paying its mana cost if creatures you control have total power 10 or greater.

({T}: Add {R}.)

Myriad Landscape enters the battlefield tapped. {T}: Add {C}. {2}, {T}, Sacrifice Myriad Landscape: Search your library for up to two basic land cards that share a land type, put them onto the battlefield tapped, then shuffle.

{T}, Pay 1 life, Sacrifice Prismatic Vista: Search your library for a basic land card, put it onto the battlefield, then shuffle.

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

Rockfall Vale enters the battlefield tapped unless you control two or more other lands. {T}: Add {R} or {G}.

Rootbound Crag enters the battlefield tapped unless you control a Mountain or a Forest. {T}: Add {R} or {G}.

{T}: Add {C}. {2}, {T}: Return target commander you own from the battlefield to your hand. Activate only during your turn.

({T}: Add {R} or {G}.) As Stomping Ground enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

({T}: Add {R} or {G}.)

{T}: Add {C}{C}. Activate only if you control five or more lands.

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.) I — Urza's Saga gains "{T}: Add {C}." II — Urza's Saga gains "{2}, {T}: Create a 0/0 colorless Construct artifact creature token with 'This creature gets +1/+1 for each artifact you control.'" III — Search your library for an artifact card with mana cost {0} or {1}, put it onto the battlefield, then shuffle.

{T}, Pay 1 life, Sacrifice Wooded Foothills: Search your library for a Mountain or Forest card, put it onto the battlefield, then shuffle.

Search your library for up to two basic land cards, reveal those cards, put one onto the battlefield tapped and the other into your hand, then shuffle.

As an additional cost to cast this spell, sacrifice a creature. Search your library for a creature card with mana value X or less, where X is 2 plus the sacrificed creature's mana value. Put that card onto the battlefield, then shuffle. Exile Eldritch Evolution.

Search your library for a card, put that card into your hand, discard a card at random, then shuffle.

Search your library for a green creature card with mana value X or less, put it onto the battlefield, then shuffle. Shuffle Green Sun's Zenith into its owner's library.

Demonstrate (When you cast this spell, you may copy it. If you do, choose an opponent to also copy it. Players may choose new targets for their copies.) Return target card from your graveyard to your hand. You gain life equal to that card's mana value. Exile Healing Technique.

Create a token that's a copy of target creature, except it has haste and "At the beginning of the end step, exile this permanent."

Choose one. If you control a commander as you cast this spell, you may choose both instead. • Add {R} for each card in target opponent's hand. • Exile the top three cards of your library. You may play them this turn.

Reveal the top X cards of your library, where X is the greatest mana value of a commander you own on the battlefield or in the command zone. You may put any number of permanent cards from among them onto the battlefield. Put the rest on the bottom of your library in a random order.

Add {R} for each tapped land your opponents control.

Search your library for a Forest card, put that card onto the battlefield, then shuffle.

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.

Search your library for up to two Forest cards, put them onto the battlefield, then shuffle.

Search your library for a Forest card, put it onto the battlefield, then shuffle.

Choose one — • Search your library for up to two creature cards, reveal them, put them into your hand, then shuffle. • Put up to two creature cards from your hand onto the battlefield. Entwine {2} (Choose both if you pay the entwine cost.)

Strive — This spell costs {2}{R} more to cast for each target beyond the first. Choose any number of target creatures you control. For each of them, create a token that's a copy of that creature, except it has haste. Exile those tokens at the beginning of the next end step.