Scoria Cat gets +3/+3 as long as you control no untapped lands.

At the beginning of your upkeep, flip a coin. If you lose the flip, return Scoria Wurm to its owner's hand.

: Add .

At the beginning of each upkeep, if no spells were cast last turn, transform Scorned Villager.

Morph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its morph cost.)

Exile target permanent.

Scourge of Geier Reach gets +1/+1 for each creature your opponents control.

At the beginning of your upkeep, you lose 2 life if you don't control an Ogre.

Scouring Sands deals 1 damage to each creature your opponents control. Scry 1. (Look at the top card of your library. You may put that card on the bottom.)

Flying

Keen Sight — When Scouting Hawk enters, if an opponent controls more lands than you, search your library for a basic Plains card, put it onto the battlefield tapped, then shuffle.

The next creature card you play this turn can be played as though it had flash.

Draw a card.

Eerie — Whenever an enchantment you control enters and whenever you fully unlock a Room, target player mills two cards. (They put the top two cards of their library into their graveyard.)

Double strike (This creature deals both first-strike and regular combat damage.)

When Scrapper Champion enters, you get (two energy counters).

Whenever Scrapper Champion attacks, you may pay . If you do, put a +1/+1 counter on it.

Flying (This creature can't be blocked except by creatures with flying or reach.)

Scrapskin Drake can block only creatures with flying.

Trample

Bio-Plasmic Scream — Whenever you cast a creature spell with mana value 5 or greater, Screamer-Killer deals 5 damage to any target.

Haste

Whenever Screaming Nemesis is dealt damage, it deals that much damage to any other target. If a player is dealt damage this way, they can't gain life for the rest of the game.

Flying

When Screaming Seahawk enters, you may search your library for a card named Screaming Seahawk, reveal it, put it into your hand, then shuffle.

Flying

Whenever you attack with one or more creatures, target player mills that many cards. (To mill a card, a player puts the top card of their library into their graveyard.)

: Put Screaming Swarm from your graveyard into your library second from the top.

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.

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

Scrounging Bandar enters with two +1/+1 counters on it.

At the beginning of your upkeep, you may move any number of +1/+1 counters from Scrounging Bandar onto another target creature.

, : Choose a number greater than 0 and a color. Target opponent reveals their hand. If that opponent reveals exactly the chosen number of cards of the chosen color, you draw a card.

When Sculpted Perfection enters, incubate 2. (Create an Incubator token with two +1/+1 counters on it and ": Transform this artifact." It transforms into a 0/0 Phyrexian artifact creature.)

Phyrexians you control get +1/+1.

: 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.)

Myriad, myriad (Whenever this creature attacks, for each opponent other than defending player, you may create a token that's a copy of this creature that's tapped and attacking that player or a planeswalker they control. Then do it again. Exile the tokens at end of combat.)

Whenever Scurry of Squirrels deals combat damage to a player, put a +1/+1 counter on target creature you control.

At the beginning of combat on your turn, if you control two or more multicolored permanents, Scuttling Butler gains double strike until end of turn.

Scuttling Doom Engine can't be blocked by creatures with power 2 or less.

When Scuttling Doom Engine dies, it deals 6 damage to target opponent or planeswalker.

Sliver creatures you control have ": Untap this creature."

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.

One or more target creatures become blue until end of turn.

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

Seafaring Werewolf can't be blocked.

Whenever Seafaring Werewolf deals combat damage to a player, draw a card.

Nightbound (If a player casts at least two spells during their own turn, it becomes day next turn.)

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 Fire: It deals 2 damage to any target.

As Seal of the Guildpact enters, choose two colors.

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

This spell costs less to cast for each creature you attacked with this turn.

When Search Party Captain enters, draw a card.

Whenever a creature attacks you or a planeswalker you control, investigate. (Create a Clue token. It's an artifact with ", Sacrifice this artifact: Draw a card.")

Flying

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

Searing Barrage deals 5 damage to target creature.

Adamant — If at least three red mana was spent to cast this spell, Searing Barrage deals 3 damage to that creature's controller.

Searing Blood deals 2 damage to target creature. When that creature dies this turn, Searing Blood deals 3 damage to the creature's controller.

Destroy target attacking or blocking creature with power 2 or less.

Choose a color. Searing Rays deals damage to each player equal to the number of creatures of that color that player controls.

Flanking (Whenever a creature without flanking blocks this creature, the blocking creature gets -1/-1 until end of turn.)

: Searing Spear Askari gains menace until end of turn. (It can't be blocked except by two or more creatures.)