Enchant creature

Enchanted creature gets -1/-1.

When enchanted creature dies, return Screams from Within from your graveyard to the battlefield.

Flying

At the beginning of your upkeep, you may pay . If you do, transform Screeching Bat.

Flying

When Screeching Drake enters, draw a card, then discard a card.

Flying

: Regenerate Screeching Harpy.

Flying, menace

Whenever Screeching Scorchbeast attacks, each player gets two rad counters.

Whenever one or more nonland cards are milled, you may create that many 2/2 black Zombie Mutant creature tokens. Do this only once each turn.

When Screeching Skaab enters, mill two cards.

: Exile the top card of target player's library. If it's a land card, you gain 1 life.

Landfall — Whenever a land you control enters, you may untap Scrib Nibblers.

When Scrivener enters, you may return target instant card from your graveyard to your hand.

: Manifest a card from your hand. (Put that card onto the battlefield face down as a 2/2 creature. Turn it face up any time for its mana cost if it's a creature card.)

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)

I — Gain control of up to one target artifact for as long as you control Scroll of Isildur. The Ring tempts you.

II — Tap up to two target creatures. Put a stun counter on each of them.

III — Draw a card for each tapped creature target opponent controls.

Whenever you cast a noncreature spell, put a lore counter on Scroll of the Masters.

, : Target creature you control gets +1/+1 until end of turn for each lore counter on Scroll of the Masters.

Whenever Scroll Thief deals combat damage to a player, draw a card.

Target opponent chooses an artifact card in their graveyard. Put that card onto the battlefield under your control.

Lifelink (Damage dealt by this creature also causes you to gain that much life.)

(: Add or .)

Flying

: Add .

, : Look at the top card of your library. If that card is snow, you may reveal it and put it into your hand. ( can be paid with one mana from a snow source.)

Choose a creature you control, then each opponent chooses a creature they control with equal or lesser power. If you chose a creature this way, exile each creature not chosen by any player this way.

: Untap target snow land.

Menace

Whenever Scurrilous Sentry enters or attacks, it connives. (Draw a card, then discard a card. If you discarded a nonland card, put a +1/+1 counter on this creature.)

When Scurry of Gremlins enters, create two 1/1 red Gremlin creature tokens. Then you get an amount of (energy counters) equal to the number of creatures you control.

Pay : Creatures you control get +1/+0 and gain haste until end of turn.

At the beginning of your upkeep, if you control five or more lands, put four +1/+1 counters on Scute Mob.

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, 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.)

Trample

Persist (When this creature dies, if it had no -1/-1 counters on it, return it to the battlefield under its owner's control with a -1/-1 counter on it.)

Landfall — Whenever a land you control enters, 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.

Trample

Landfall — Whenever a land you control enters, put a +1/+1 counter on target creature you control. If this is the second time this ability has resolved this turn, double the number of +1/+1 counters on that creature instead.

Whenever a player casts a spell, if it's not their turn, Scytheclaw Raptor deals 4 damage to them.

Flying

: Creatures you control get +1/+1 until end of turn.

: Draw a card for each Ally you control.

Draw cards equal to the number of cards in your hand plus one. You have no maximum hand size for the rest of the game.

: Add . ( represents colorless mana.)

, : Draw a card. Activate only if you have no cards in hand.

Return up to three target creatures your opponents control to their owners' hands. Scry 1. (Look at the top card of your library. You may put that card on the bottom.)

When Sea Hag enters, creatures your opponents control get -4/-0 until end of turn.

Flash

Enchant creature

Enchanted creature gets +0/+2 as long as it's a Pirate. Otherwise, it gets -2/-0.

Sea of Clouds enters tapped unless you have two or more opponents.

: Add or .

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

When you control no Islands, sacrifice Sea Serpent.

: 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

Blue legendary creatures you control have "bands with other legendary creatures." (Any legendary creatures can attack in a band as long as at least one has "bands with other legendary creatures." Bands are blocked as a group. If at least two legendary creatures you control, one of which has "bands with other legendary creatures," are blocking or being blocked by the same creature, you divide that creature's combat damage, not its controller, among any of the creatures it's being blocked by or is blocking.)

Seafloor Debris enters tapped.

: Add .

, Sacrifice Seafloor Debris: Add one mana of any color.

: 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.)

, : Search your library for a Merfolk permanent card, put it onto the battlefield, then shuffle.

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

Sacrifice Seal of Doom: Destroy target nonblack creature. It can't be regenerated.