When Haunt of the Dead Marshes enters, scry 1.

: Return Haunt of the Dead Marshes from your graveyard to the battlefield tapped. Activate only if you control a legendary creature.

Equipped creature has first strike, trample, and haste.

: If you control Equipment named Helm of Kaldra, Sword of Kaldra, and Shield of Kaldra, create Kaldra, a legendary 4/4 colorless Avatar creature token. Attach those Equipment to it.

Equip

Each legendary creature you control gets +1/+1 for each other legendary creature you control.

, : Look at the top X cards of your library. You may reveal a legendary creature card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

Destroy target legendary creature.

: Add .

Tap an untapped legendary permanent you control: Untap Honor-Worn Shaku.

Enchant permanent

You control enchanted permanent.

Enchanted permanent is legendary.

At the beginning of your upkeep, you may put a harmony counter on Instrument of the Bards.

, : Search your library for a creature card with mana value equal to the number of harmony counters on Instrument of the Bards, reveal it, and put it into your hand. If that card is legendary, create a Treasure token. Then shuffle.

: Untap another target permanent.

: Untap two other target legendary creatures.

(You may cast a legendary instant only if you control a legendary creature or planeswalker.)

Destroy target creature. If its controller has more than four cards in hand, they exile cards from their hand equal to the difference.

+1: Whenever one or more creatures you control deal combat damage to a player this turn, draw a card, then discard a card.

−2: Create a 2/2 blue Illusion creature token with "When this creature becomes the target of a spell, sacrifice it."

−5: Create two tokens that are copies of Jace, Cunning Castaway, except they're not legendary.

, , Sacrifice another creature: Reveal cards from the top of your library until you reveal a nonlegendary creature card. Put that card onto the battlefield and the rest on the bottom of your library in a random order.

Whenever Jedit Ojanen, Mercenary or another legendary creature you control enters, you may pay . If you do, create a 2/2 green Cat Warrior creature token with forestwalk. (It can't be blocked as long as defending player controls a Forest.)

Legendary creatures you control get +X/+X, where X is the number of legendary creatures you control.

Whenever you cast a legendary spell from your hand, exile cards from the top of your library until you exile a legendary nonland card with lesser mana value. You may cast that card without paying its mana cost. Put the rest on the bottom of your library in a random order.

(You may cast a legendary sorcery only if you control a legendary creature or planeswalker.)

Look at the top X cards of your library. You may put any number of land and/or legendary permanent cards with mana value X or less from among them onto the battlefield. Put the rest into your graveyard.

First strike, menace

Whenever Kari Zev, Skyship Raider attacks, create Ragavan, a legendary 2/1 red Monkey creature token. Ragavan enters tapped and attacking. Exile that token at end of combat.

Legendary Snakes you control have shroud. (They can't be the targets of spells or abilities.)

Whenever Kashi-Tribe Elite deals combat damage to a creature, tap that creature and it doesn't untap during its controller's next untap step.

+1: Put a ghostform counter on up to one target nontoken creature. It gains "When this creature dies or is put into exile, return it to its owner's hand and create a 1/1 white Spirit creature token with flying."

−3: Exile target nonland permanent.

−7: You get an emblem with "At the beginning of your upkeep, you may cast a legendary spell from your hand, from your graveyard, or from among cards you own in exile without paying its mana cost."

At the beginning of your end step, you may sacrifice another creature. If you do, reveal cards from the top of your library until you reveal a nonlegendary creature card with lesser mana value, put it onto the battlefield, then put the rest on the bottom of your library in a random order.

Haste

: Create a token that's a copy of target nonlegendary creature you control, except it has haste. Sacrifice it at the beginning of the next end step.

As long as you control three or more legendary creatures, Kolvori gets +4/+2 and has vigilance.

, : Look at the top six cards of your library. You may reveal a legendary creature card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

Bushido 1 (Whenever this creature blocks or becomes blocked, it gets +1/+1 until end of turn.)

As long as you control a legendary Samurai, Konda's Hatamoto gets +1/+2 and has vigilance. (Attacking doesn't cause this creature to tap.)

Hexproof

Whenever a creature card is put into an opponent's graveyard from anywhere, you may have Lazav, Dimir Mastermind become a copy of that card, except its name is Lazav, Dimir Mastermind, it's legendary in addition to its other types, and it has hexproof and this ability.

Reach

Legolas Greenleaf can't be blocked by creatures with power 2 or less.

Whenever another legendary creature you control enters, put a +1/+1 counter on Legolas Greenleaf.

Whenever Legolas Greenleaf deals combat damage to a player, draw a card.

Enchant legendary creature

Enchanted creature has ward and ": Add five mana in any combination of colors. Spend this mana only to cast spells."

, Sacrifice three Spirits: Search your library for a legendary Spirit permanent card, put it onto the battlefield, then shuffle.

First strike; legendary landwalk (This creature can't be blocked as long as defending player controls a legendary land.)

Sacrifice Loyal Retainers: Return target legendary creature card from your graveyard to the battlefield. Activate only during your turn, before attackers are declared.

Other Mice you control get +1/+1.

When Mabel, Heir to Cragflame enters, create Cragflame, a legendary colorless Equipment artifact token with "Equipped creature gets +1/+1 and has vigilance, trample, and haste" and equip .

, Exile Mechtitan Core and four other artifact creatures and/or Vehicles you control: Create Mechtitan, a legendary 10/10 Construct artifact creature token with flying, vigilance, trample, lifelink, and haste that's all colors. When that token leaves the battlefield, return all cards exiled with Mechtitan Core except Mechtitan Core to the battlefield tapped under their owners' control.

Crew 2

Creatures you control can't be blocked except by legendary creatures.

Whenever one or more creatures you control deal combat damage to a player, venture into the dungeon. (Enter the first room or advance to the next room.)

: Add .

, : Untap target legendary permanent.

Flying

Whenever Mindlink Mech becomes crewed for the first time each turn, until end of turn, Mindlink Mech becomes a copy of target nonlegendary creature that crewed it this turn, except it's 4/3, it's a Vehicle artifact in addition to its other types, and it has flying.

Crew 1

When Minsc & Boo, Timeless Heroes enters and at the beginning of your upkeep, you may create Boo, a legendary 1/1 red Hamster creature token with trample and haste.

+1: Put three +1/+1 counters on up to one target creature with trample or haste.

−2: Sacrifice a creature. When you do, Minsc & Boo, Timeless Heroes deals X damage to any target, where X is that creature's power. If the sacrificed creature was a Hamster, draw X cards.

Minsc & Boo, Timeless Heroes can be your commander.

Deathtouch

Whenever Mirkwood Spider attacks, target legendary creature you control gains deathtouch until end of turn.

, : Scry 1, then draw a card. This ability costs less to activate for each legendary creature you control.

Flash

Indestructible

When Mithril Coat enters, attach it to target legendary creature you control.

Equipped creature has indestructible.

Equip

: Add .

: Mobilized District becomes a 3/3 Citizen creature with vigilance until end of turn. It's still a land. This ability costs less to activate for each legendary creature and planeswalker you control.

, Pay 1 life: Add or .

, : Mount Doom deals 1 damage to each opponent.

, , Sacrifice Mount Doom and a legendary artifact: Choose up to two creatures, then destroy the rest. Activate only as a sorcery.

: Add one mana of any color among legendary creatures and planeswalkers you control.

Choose target creature you control. Each other creature becomes a copy of that creature until end of turn, except it isn't legendary.

As an additional cost to cast this spell, sacrifice a creature.

Draw two cards. If the sacrificed creature was legendary, draw three cards instead.

Nicol Bolas, Dragon-God has all loyalty abilities of all other planeswalkers on the battlefield.

+1: You draw a card. Each opponent exiles a card from their hand or a permanent they control.

−3: Destroy target creature or planeswalker.

−8: Each opponent who doesn't control a legendary creature or planeswalker loses the game.

Casualty X. The copy isn't legendary and has starting loyalty X. (As you cast this spell, you may sacrifice a creature with power X. When you do, copy this spell. The copy becomes a token.)

+1: Each opponent loses 2 life unless they discard a card. If you control a Demon or Devil, you gain 2 life.

−2: Create a 1/1 red Devil creature token with "When this creature dies, it deals 1 damage to any target."

−7: Target player draws seven cards and loses 7 life.

As this creature transforms into Olag, Ludevic's Hubris, it becomes a copy of a creature card exiled with it, except its name is Olag, Ludevic's Hubris, it's 4/4, and it's a legendary blue and black Zombie in addition to its other colors and types. Put a number of +1/+1 counters on Olag equal to the number of creature cards exiled with it.

Enchant creature

Enchanted creature is legendary, gets +1/+1, and has flying, vigilance, and lifelink.

When you cast this spell, create a token that's a copy of it, except it isn't legendary.

: Add . Spend this mana only to cast an artifact spell or activate an ability of an artifact.

Paradox — Whenever you cast a spell from anywhere other than your hand, investigate. (Create a Clue token. It's an artifact with ", Sacrifice this artifact: Draw a card.")

: Add one mana of any color.

, : Untap target legendary creature you control.

Flying, lifelink

At the beginning of your upkeep, sacrifice Piru, the Volatile unless you pay .

When Piru dies, it deals 7 damage to each nonlegendary creature.

: Add .

: Add one mana of any color. Spend this mana only to cast a legendary spell.

: Add one mana of any color among legendary permanents you control.

, , Exile Plaza of Heroes: Target legendary creature gains hexproof and indestructible until end of turn.

(You may cast a legendary sorcery only if you control a legendary creature or planeswalker.)

Return all legendary permanent cards from your graveyard to the battlefield.