This land enters tapped. When this land enters, you gain 1 life. {T}: Add {B} or {R}.

Barad-dûr enters tapped unless you control a legendary creature. {T}: Add {B}. {X}{X}{B}, {T}: Amass Orcs X. Activate only if a creature died this turn.

This land enters tapped. {T}: Add {B}. Cycling {B} ({B}, Discard this card: Draw a card.)

This land enters tapped. When this land enters, exile target player's graveyard. {T}: Add {B}.

{T}: Add {C}. {T}, Sacrifice this land: Put your commander into your hand from the command zone.

({T}: Add {G}.)

This land enters tapped. {T}: Add {B}. {1}{B}{R}{R}, {T}, Sacrifice this land: It deals 3 damage to target player. That player discards a card. Activate only as a sorcery.

This land enters tapped. When this land enters, you gain 1 life. {T}: Add {R} or {G}.

This land enters tapped. {T}: Add {B} or {R}. {1}{B}{R}: Until end of turn, this land becomes a 2/2 black and red Elemental creature with "{X}: This creature gets +X/+0 until end of turn." It's still a land.

Mines of Moria enters tapped unless you control a legendary creature. {T}: Add {R}. {3}{R}, {T}, Exile three cards from your graveyard: Create two Treasure tokens.

{1}, {T}: Add {R}{G}.

({T}: Add {R}.)

As this land enters, you may reveal a Swamp or Forest card from your hand. If you don't, this land enters tapped. {T}: Add {B} or {G}.

{T}: Add {C}. {4}, {T}: Target creature can't be blocked this turn.

{T}: Add {C}. {1}, {T}, Sacrifice this land: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

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

Hideaway 4 (When this land enters, look at the top four cards of your library, exile one face down, then put the rest on the bottom in a random order.) This land enters tapped. {T}: Add {R}. {R}, {T}: You may play the exiled card without paying its mana cost if an opponent was dealt 7 or more damage this turn.

({T}: Add {B}.)

This artifact enters with X charge counters on it. {T}: Choose a color. Add one mana of that color for each charge counter on this artifact.

When this creature enters, you may search your library for a basic land card, reveal it, then shuffle and put that card on top.

{T}: Add one mana of any color in your commander's color identity. Sacrifice this artifact: Draw a card.

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

Add {B}{B}{B}.

When this creature enters, you gain 3 life. {T}: Add one mana of any color.

Toxic 1 (Players dealt combat damage by this creature also get a poison counter.) When this creature enters, you may search your library for a basic land card, reveal it, then shuffle and put that card on top.

Discover 10. If the discovered card's mana value is less than 10, create a number of tapped Treasure tokens equal to the difference. (To discover 10, exile cards from the top of your library until you exile a nonland card with mana value 10 or less. Cast it without paying its mana cost or put it into your hand. Put the rest on the bottom in a random order.)

Nonartifact spells you cast have improvise. (Your artifacts can help cast those spells. Each artifact you tap after you're done activating mana abilities pays for {1}.)

{T}: Add one mana of any color. {2}, {T}, Sacrifice this artifact: Draw a card.

{T}: Add one mana of any color.

{T}: Add {G}. As long as this creature is modified, it has "{T}: Add {G}{G}." (Equipment, Auras you control, and counters are modifications.)

Reach {T}: Add one mana of any color. {2}: This creature gains deathtouch until end of turn.

Whenever you gain life, put that many ribbon counters on this creature. Then if there are three or more ribbon counters on this creature, remove those counters and untap it. {T}: Add one mana of any color.

When this creature enters, create a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.") Whenever another creature you control enters, you gain 1 life.

{T}, Sacrifice one or more artifacts: Choose a color. Target player adds three mana of the chosen color for each artifact sacrificed this way.

{T}: Add one mana of any color. {T}: Target creature becomes the color or colors of your choice until end of turn.

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

The Ring tempts you. Then reveal cards from the top of your library until you reveal X land cards, where X is the number of legendary creatures you control. Put those land cards onto the battlefield tapped and the rest on the bottom of your library in a random order.

Psychosis Crawler's power and toughness are each equal to the number of cards in your hand. Whenever you draw a card, each opponent loses 1 life.

Choose one — • Abrade deals 3 damage to target creature. • Destroy target artifact.

Chain Reaction deals X damage to each creature, where X is the number of creatures on the battlefield.

The owner of target permanent shuffles it into their library, then reveals the top card of their library. If it's a permanent card, they put it onto the battlefield.

Destroy target creature. The Ring tempts you.

{R}, {T}, Exile two cards from your graveyard: This creature deals 2 damage to any target.

Choose one — • Destroy target artifact or enchantment. • Target creature you control explores, then it explores again. (Reveal the top card of your library. Put that card into your hand if it's a land. Otherwise, put a +1/+1 counter on that creature, then put the card back or put it into your graveyard. Then repeat this process.)

Choose one — • Each opponent sacrifices an artifact of their choice. • Each opponent sacrifices an enchantment of their choice. • Each opponent sacrifices a creature with flying of their choice.

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.

{1}, Sacrifice this creature: Destroy target artifact or enchantment.

Destroy target artifact you don't control. Overload {4}{R} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")

Menace Modular 2 (This creature enters with two +1/+1 counters on it. When it dies, you may put its +1/+1 counters on target artifact creature.) Whenever you cast a spell other than your first spell each turn, put a +1/+1 counter on this creature.

{X}, {T}: Put a +1/+1 counter on target creature with power X. Activate only as a sorcery.

Flash (You may cast this spell any time you could cast an instant.) Vigilance Indestructible (Damage and effects that say "destroy" don't destroy this creature. If its toughness is 0 or less, it's still put into its owner's graveyard.)

Target creature gains deathtouch and indestructible until end of turn.

All damage that would be dealt to you is dealt to equipped creature instead. Equip {3}

{4}, {T}: Target opponent exiles cards from the top of their library until they exile an instant or sorcery card. You may cast that card without paying its mana cost. Then put the exiled cards that weren't cast this way on the bottom of that library in a random order.

Each opponent faces a villainous choice — They exile cards from the top of their library until they exile a nonland card, then you may cast that card without paying its mana cost, or that player exiles the top four cards of their library and Ensnared by the Mara deals damage equal to the total mana value of those exiled cards to that player.

As an additional cost to cast this spell, sacrifice an artifact or discard a card. Draw two cards.

When Lobelia enters, look at the top card of each opponent's library and exile those cards face down. {T}, Sacrifice an artifact: Choose one — • Until end of turn, you may play a card exiled with Lobelia without paying its mana cost. • Each opponent loses 2 life and you gain 2 life.

{1}, {T}, Sacrifice another artifact: Reveal the top eight cards of your library. Put up to two noncreature artifact cards with total mana value less than or equal to the sacrificed artifact's mana value from among them onto the battlefield and the rest on the bottom of your library in a random order.

Equipped creature gets +1/+1 for each land you control. Equip legendary creature {3} Equip {7}