As Secluded Courtyard enters the battlefield, choose a creature type.

: Add .

: Add one mana of any color. Spend this mana only to cast a creature spell of the chosen type or activate an ability of a creature source of the chosen type.

: Add .

: Add one mana of any color. Spend this mana only to cast a spell that shares a watermark with Secret Base.

Investigate. If this spell was cast from a graveyard, investigate twice instead. (Create a Clue token. It's an artifact with ", Sacrifice this artifact: Draw a card.")

Flashback

You may pay rather than pay this spell's mana cost. Spend only mana produced by Treasures to cast it this way.

Look at the top three cards of your library. Put one of those cards into your hand and the rest on the bottom of your library in any order. If this spell was cast from anywhere other than your hand, put each of those cards into your hand instead.

Undaunted (This spell costs less to cast for each opponent.)

Return up to two target cards from your graveyard to your hand. Exile Seeds of Renewal.

Choose one at random —

• You get an emblem with "At the beginning of your upkeep, pay . If you don't, you lose the game."

• Each player discards their hand.

• Planeswalk to Pools of Becoming. (Once there, you can roll the planar die only if you're playing Planechase.)

• For each opponent, exile cards from the top of their library until you exile a nonland card. You may cast those cards without paying their mana costs.

• Destroy all creatures and non-Bolas planeswalkers.

• You get an emblem with "You can cast nonland cards from your sideboard."

Mill seven cards. Then put all cards that have an Adventure from among the milled cards into your hand.

Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)

Whenever you cast a noncreature spell, Seeker of the Way gains lifelink until end of turn.

Megamorph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its megamorph cost and put a +1/+1 counter on it.)

Untap target creature. After this main phase, there is an additional combat phase followed by an additional main phase.

Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

As an additional cost to cast this spell, discard a card.

Draw two cards and create a Treasure token. (It's an artifact with ", Sacrifice this artifact: Add one mana of any color.")

Create a token that's a copy of target creature you control.

Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Imprint — When Semblance Anvil enters the battlefield, you may exile a nonland card from your hand.

Spells you cast that share a card type with the exiled card cost less to cast.

Enchant creature

Enchanted creature gets +2/+2.

Madness (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

Enchant creature

Enchanted creature gets +1/+1 and has vigilance.

Escape—, Exile two other cards from your graveyard. (You may cast this card from your graveyard for its escape cost.)

Flash

This spell costs less to cast for each creature attacking you.

When Sentry Bot enters the battlefield, you get for each creature attacking you.

At the beginning of combat on your turn, you may pay . If you do, put a +1/+1 counter on each creature you control.

Kicker (You may pay an additional as you cast this spell.)

When Sergeant-at-Arms enters the battlefield, if it was kicked, create two 1/1 white Soldier creature tokens.

Whenever an Elf you control dies, exile it.

, Pay 2 life: Until end of turn, you may cast a creature spell from among cards exiled with Serpent's Soul-Jar.

You can't cast this spell during your first, second, or third turns of the game.

Flying, vigilance

Flying

Once during each of your turns, you may play a land from your graveyard or cast a permanent spell with mana value 3 or less from your graveyard. If you do, it gains "When this permanent is put into a graveyard from the battlefield, exile it and you gain 2 life."

Flying

Whenever you cast a noncreature spell, put an oil counter on Serum-Core Chimera.

Remove three oil counters from Serum-Core Chimera: Draw a card. Then you may discard a nonland card. When you discard a card this way, Serum-Core Chimera deals 3 damage to target creature or planeswalker. Activate only as a sorcery.

Delve (Each card you exile from your graveyard while casting this spell pays for .)

Put target nonland permanent on top of its owner's library.

Heroic — Whenever you cast a spell that targets Setessan Oathsworn, put two +1/+1 counters on Setessan Oathsworn.

Exile target creature and all other creatures with the same name as that creature.

Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Prevent all damage that would be dealt to Sevinne, the Chronoclasm.

Whenever you cast your first instant or sorcery spell from your graveyard each turn, copy that spell. You may choose new targets for the copy.

As Sewer Nemesis enters the battlefield, choose a player.

Sewer Nemesis's power and toughness are each equal to the number of cards in the chosen player's graveyard.

Whenever the chosen player casts a spell, that player mills a card.

Whenever you cast your second spell each turn, choose target creature an opponent controls. If it's tapped, put a stun counter on it. Otherwise, tap it. (If a permanent with a stun counter would become untapped, remove one from it instead.)

The first creature spell you cast each turn costs less to cast.

Whenever an opponent casts their first noncreature spell each turn, Shadow in the Warp deals 2 damage to that player.

Exile all creature cards from target player's graveyard. You may cast spells from among those cards for as long as they remain exiled, and mana of any type can be spent to cast them.

Create a 4/4 green Beast creature token.

Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

When Shady Informant dies, it deals 2 damage to any target.

Disguise (You may cast this card face down for as a 2/2 creature with ward . Turn it face up any time for its disguise cost.)

Kicker (You may pay an additional as you cast this spell.)

Flying

If Shalai's Acolyte was kicked, it enters the battlefield with two +1/+1 counters on it.

: Add two mana in any combination of colors. Spend this mana only to cast creature spells.

Formidable — , : Each player's life total becomes the number of creatures they control. Activate only if creatures you control have total power 8 or greater.

Flash (You may cast this spell any time you could cast an instant.)

Evolve (Whenever a creature enters the battlefield under your control, if that creature has greater power or toughness than this creature, put a +1/+1 counter on this creature.)

Menace

Other legendary creatures you control have menace.

Whenever you play a legendary land or cast a legendary spell, you draw a card and you lose 1 life.

Flying

Drain Life — When Shard of the Nightbringer enters the battlefield, if you cast it, target opponent loses half their life, rounded up. You gain life equal to the life lost this way.

Cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom in a random order.)

As an additional cost to cast this spell, tap four untapped creatures you control.

Draw three cards.

Whenever you cast a noncreature spell, create an X/X blue Shark creature token with flying, where X is that spell's mana value.

Cycling (, Discard this card: Draw a card.)

When you cycle Shark Typhoon, create an X/X blue Shark creature token with flying.

Discard all the cards in your hand, then draw that many cards.

Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Casualty 1 (As you cast this spell, you may sacrifice a creature with power 1 or greater. When you do, copy this spell and you may choose a new target for the copy.)

Target creature an opponent controls perpetually gets -0/-3.

Replicate (When you cast this spell, copy it for each time you paid its replicate cost. You may choose new targets for the copies.)

Destroy target artifact.

Destroy target tapped creature.

Awaken 3— (If you cast this spell for , also put three +1/+1 counters on target land you control and it becomes a 0/0 Elemental creature with haste. It's still a land.)

Kicker (You may pay an additional as you cast this spell.)

Target creature you control gets +0/+3 until end of turn. If this spell was kicked, that creature also gains hexproof until end of turn. (It can't be the target of spells or abilities your opponents control.)

Flying

When Shepherd of the Cosmos enters the battlefield, return target permanent card with mana value 2 or less from your graveyard to the battlefield.

Foretell (During your turn, you may pay and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)

Sheriff of Safe Passage enters the battlefield with a +1/+1 counter on it plus an additional +1/+1 counter on it for each other creature you control.

Plot (You may pay and exile this card from your hand. Cast it as a sorcery on a later turn without paying its mana cost. Plot only as a sorcery.)

Flying, lifelink

Megamorph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its megamorph cost and put a +1/+1 counter on it.)

When Shieldhide Dragon is turned face up, put a +1/+1 counter on each other Dragon creature you control.

Exchange control of two target lands.

Splice onto Arcane (As you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell.)

Enchant creature (Target a creature as you cast this. This card enters the battlefield attached to that creature.)

Enchanted creature has flying. (It can't be blocked except by creatures with flying or reach.)

: Return Shimmering Wings to its owner's hand.