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.

Servant of the Scale enters with a +1/+1 counter on it.

When Servant of the Scale dies, put X +1/+1 counters on target creature you control, where X is the number of +1/+1 counters on Servant of the Scale.

When Servo Schematic enters or is put into a graveyard from the battlefield, create a 1/1 colorless Servo artifact creature token.

Constellation — Whenever an enchantment you control enters, put a +1/+1 counter on Setessan Champion and draw a card.

Tap an untapped Druid you control: Add .

Exile target creature. Put two loyalty counters on a planeswalker you control.

When Settlement Blacksmith enters, if you control an Equipment, draw a card.

Return target permanent card with mana value 3 or less from your graveyard to the battlefield. If this spell was cast from a graveyard, you may copy this spell and may choose a new target for the copy.

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

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.)

Enchant creature

Enchanted creature doesn't untap during its controller's untap step.

: Return Shackles to its owner's hand.

Enchant creature

Enchanted creature has first strike.

: Enchanted creature gets +2/+2 until end of turn.

Domain — Look at the top X cards of your library, where X is the number of basic land types among lands you control. Put up to two of them into your hand and the rest into your graveyard. You lose 2 life.

Pay 2 life: Shadowcloak Vampire gains flying until end of turn. (It can't be blocked except by creatures with flying or reach.)

When Shadowgrange Archfiend enters, each opponent sacrifices a creature with the greatest power among creatures they control. You gain life equal to the greatest power among creatures sacrificed this way.

Madness—, Pay 8 life. (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

Exile all creatures and planeswalkers with mana value 3 or less from the battlefield and all creature and planeswalker cards with mana value 3 or less from all graveyards.

When this creature enters, creatures you control get +1/+1 until end of turn.

Flying

You, planeswalkers you control, and other creatures you control have hexproof.

: Put a +1/+1 counter on each creature you control.

When Shaman of the Pack enters, target opponent loses life equal to the number of Elves you control.

Other players can't play lands or cast spells from their graveyards this turn. You may play lands and cast spells from other players' graveyards this turn as though those cards were in your graveyard.

Commander creatures you own have ": This creature becomes a copy of another target creature."

Shanna, Sisay's Legacy can't be the target of abilities your opponents control.

Shanna gets +1/+1 for each creature you control.

Whenever a creature you control becomes the target of a spell or ability an opponent controls, you may draw a card.

Flash

Enchant creature you control

As long as Shardmage's Rescue entered this turn, enchanted creature has hexproof.

Enchanted creature gets +1/+1.

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

Whenever one or more +1/+1 counters are put on Sharktocrab, tap target creature an opponent controls. That creature doesn't untap during its controller's next untap step.

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for or one mana of that creature's color.)

Choose one —

• Shatter the Source deals 6 damage to target creature, planeswalker, or battle.

• Destroy target artifact.

: Add .

, Sacrifice Shattered Landscape: Search your library for a basic Mountain, Plains, or Swamp card, put it onto the battlefield tapped, then shuffle.

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

Shattered Sanctum enters tapped unless you control two or more other lands.

: Add or .

Menace (This creature can't be blocked except by two or more creatures.)

: Permanents your opponents control lose hexproof, indestructible, protection, shroud, and ward until end of turn.

Whenever a creature an opponent controls becomes the target of a spell or ability you control, put a bounty counter on that creature.

Whenever a creature with a bounty counter on it dies, put two +1/+1 counters on Shay Cormac.

Hideaway 4 (When this land enters, look at the top four cards of your library, exile one face down, then put the rest on the bottom in a random order.)

Shelldock Isle enters tapped.

: Add .

, : You may play the exiled card without paying its mana cost if a library has twenty or fewer cards in it.

(: Add or .)

Sheltered Thicket enters tapped.

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

: Add .

, Sacrifice Sheltering Landscape: Search your library for a basic Mountain, Forest, or Plains card, put it onto the battlefield tapped, then shuffle.

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

Choose one —

• Each opponent sacrifices a nontoken creature.

• Each opponent sacrifices a creature token.

• Each opponent sacrifices a planeswalker.

Flying, vigilance

When Shepherd of the Clouds enters, return target permanent card with mana value 3 or less from your graveyard to your hand. Return that card to the battlefield instead if you control a Mount.

: The next time target attacking creature would deal combat damage to Shield Dancer this turn, that creature deals that damage to itself instead.

Target creature gets +2/+2 until end of turn. (Then exile this card. You may cast the creature later from exile.)

As Shimatsu the Bloodcloaked enters, sacrifice any number of permanents. Shimatsu enters with that many +1/+1 counters on it.

Flying

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

Flying, vigilance

Shinechaser gets +1/+1 as long as you control an artifact.

Shinechaser gets +1/+1 as long as you control an enchantment.

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

When Shipwreck Dowser enters, return target instant or sorcery card from your graveyard to your hand.

Shipwreck Marsh enters tapped unless you control two or more other lands.

: Add or .

Defender

As long as an artifact entered the battlefield under your control this turn, Shipwreck Sentry can attack as though it didn't have defender.

Flying

: Target creature an opponent controls attacks this turn if able.

, : Attacking creatures get -1/-1 until end of turn.

: Add .

, , Sacrifice Shire Terrace: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for or one mana of that creature's color.)

Flying, haste

At the beginning of each player's upkeep, that player adds . Until end of turn, they don't lose this mana as steps and phases end.

Sacrifice Shock Troops: It deals 2 damage to any target.

Target creature gets -2/-0 until end of turn.

Draw a card.

: Exile Shorecrasher Elemental, then return it to the battlefield face down under its owner's control.

: Shorecrasher Elemental gets +1/-1 or -1/+1 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.)