Defender

: Adapt 3. (If this creature has no +1/+1 counters on it, put three +1/+1 counters on it.)

As long as Scuttlegator has a +1/+1 counter on it, it can attack as though it didn't have defender.

, Discard a card: Create a 0/3 blue Crab creature token.

Delirium — Crabs you control get +1/+1 as long as there are four or more card types among cards in your graveyard.

Sacrifice Scuttling Death: Target creature gets -1/-1 until end of turn.

Soulshift 4 (When this creature dies, you may return target Spirit card with mana value 4 or less from your graveyard to your hand.)

Flash

Vigilance

When Scuttling Sentinel enters the battlefield, put a +1/+1 counter on another target creature you control. Until end of turn, that creature becomes a blue Crab in addition to its other types and gains hexproof. (It can't be the target of spells or abilities your opponents control.)

Landfall — Whenever a land enters the battlefield under your control, Scythe Leopard gets +1/+1 until end of turn.

Flying

Whenever Scythe Specter deals combat damage to a player, each opponent discards a card. Each player who discarded a card with the highest mana value among cards discarded this way loses life equal to that mana value.

Living weapon (When this Equipment enters the battlefield, create a 0/0 black Phyrexian Germ creature token, then attach this to it.)

Equipped creature gets +1/+1.

Whenever equipped creature deals combat damage to a player, that player loses half their life, rounded up.

Equip

Sea Gate enters the battlefield tapped.

As Sea Gate enters the battlefield, choose a color other than blue.

: Add or one mana of the chosen color.

This spell costs less to cast for each creature in your party. (Your party consists of up to one each of Cleric, Rogue, Warrior, and Wizard.)

When Sea Gate Oracle enters the battlefield, look at the top two cards of your library. Put one of them into your hand and the other on the bottom of your library.

Kicker

When Sea Gate Stormcaller enters the battlefield, copy the next instant or sorcery spell with mana value 2 or less you cast this turn when you cast it. If Sea Gate Stormcaller was kicked, copy that spell twice instead. You may choose new targets for the copies.

As Sea Gate, Reborn enters the battlefield, you may pay 3 life. If you don't, it enters the battlefield tapped.

: Add .

Sea Monster can't attack unless defending player controls an Island.

: Sea Spirit gets +1/+0 until end of turn.

: Regenerate Sea Troll. Activate only if Sea Troll blocked or was blocked by a blue creature this turn.

Flying

: Seafloor Stalker gets +1/+0 until end of turn and can't be blocked this turn. This ability costs less to activate for each creature in your party. (Your party consists of up to one each of Cleric, Rogue, Warrior, and Wizard.)

Ward (Whenever this enchantment becomes the target of a spell or ability an opponent controls, counter it unless that player pays .)

When Seal from Existence enters the battlefield, exile target nonland permanent an opponent controls until Seal from Existence leaves the battlefield.

As Seal of the Guildpact enters the battlefield, choose two colors.

Each spell you cast costs less to cast for each of the chosen colors it is.

Sealock Monster can't attack unless defending player controls an Island.

: Monstrosity 3. (If this creature isn't monstrous, put three +1/+1 counters on it and it becomes monstrous.)

When Sealock Monster becomes monstrous, target land becomes an Island in addition to its other types.

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

Suspend 2— (Rather than cast this card from your hand, you may pay and exile it with two time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, you may cast it without paying its mana cost.)

When Search the City enters the battlefield, exile the top five cards of your library.

Whenever you play a card with the same name as one of the exiled cards, you may put one of those cards with that name into its owner's hand. Then if there are no cards exiled with Search the City, sacrifice it. If you do, take an extra turn after this one.

Target player reveals their hand. You gain life equal to the number of cards in that player's hand.

Flying

: Searchlight Geist gains deathtouch until end of turn. (Any amount of damage it deals to a creature is enough to destroy it.)

Whenever you gain life, you may pay . If you do, Searing Meditation deals 2 damage to any target.

: Add .

Seaside Citadel enters the battlefield tapped.

: Add , , or .

At the beginning of your upkeep, sacrifice Season of the Witch unless you pay 2 life.

At the beginning of the end step, destroy all untapped creatures that didn't attack this turn, except for creatures that couldn't attack.

When Seasoned Buttoneer enters the battlefield, open an Attraction. (Put the top card of your Attraction deck onto the battlefield.)

Whenever you attack with three or more creatures, Seasoned Consultant gets +2/+0 until end of turn.

Tasty (This creature can be attacked directly. If it is attacked, it can't block creatures that didn't attack it.)

: Add .

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.

Up to two target creatures each get +2/+1 until end of turn. Create a Food token. (It's an artifact with ", , Sacrifice this artifact: You gain 3 life.")

Choose one —

• Look at the top five cards of target opponent's library, then put them back in any order.

• Look at the top five cards of your library, then put them back in any order.

Entwine (Choose both if you pay the entwine cost.)

: Add .

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

Secret Passage enters the battlefield tapped.

: Add or .

, : Investigate. (Create a Clue token. It's an artifact with ", Sacrifice this artifact: Draw a card.")

You and target opponent each draw three cards.

As long as you have more cards in hand than each opponent, Secretkeeper gets +2/+2 and has flying.

Ascend (If you control ten or more permanents, you get the city's blessing for the rest of the game.)

Draw two cards. If you have the city's blessing, draw three cards instead.

Exile target nonland permanent. Its controller creates a 1/1 white Soldier creature token.

Squad (As an additional cost to cast this spell, you may pay any number of times. When this creature enters the battlefield, create that many tokens that are copies of it.)

Vigilance

Whenever a creature token enters the battlefield under your control, put a +1/+1 counter on it.

Enchant creature

As long as enchanted creature is attacking alone, it can't be blocked.

Enchanted creature has "Whenever this creature deals combat damage to a player, it connives." (Its controller draws a card, then discards a card. If they discarded a nonland card, they put a +1/+1 counter on this creature.)

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

Menace

Ward—Pay 3 life. (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays 3 life.)

Magecraft — Whenever you cast or copy an instant or sorcery spell, create a 1/1 black and green Pest creature token with "When this creature dies, you gain 1 life."

Flying

Whenever Sedraxis Specter deals combat damage to a player, that player discards a card.

Unearth (: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)

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.

Whenever a land enters the battlefield, its controller creates a 1/1 green Snake creature token.

When Seedpod Caretaker enters the battlefield, choose one —

• Put a +1/+1 counter on target artifact or creature you control.

• Transform target Incubator token you control.

Cast this spell only during your turn.

Take an extra turn after this one if an opponent cast a blue spell this turn.