Choose an opponent. They look at the top four cards of your library and separate them into a face-down pile and a face-up pile. Put one pile into your hand and the other into your graveyard. The Ring tempts you.

Trample

Other creatures you control get +1/+0.

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

This spell costs less to cast if it targets a Dinosaur you control.

Put a +1/+1 counter on target creature you control. Then that creature fights target creature you don't control. (Each deals damage equal to its power to the other.)

Flying

Whenever this creature attacks, add . Until end of turn, you don't lose this mana as steps and phases end.

(: Add , , or .)

Savai Triome enters tapped.

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

Take an extra turn after this one. Skip the untap step of that turn.

: Sawback Manticore gains flying until end of turn.

: Sawback Manticore deals 2 damage to target attacking or blocking creature. Activate only if Sawback Manticore is attacking or blocking and only once each turn.

As Sawhorn Nemesis enters, choose a player.

If a source would deal damage to the chosen player or a permanent they control, it deals double that damage instead.

Mill three cards. Then you may return a creature or land card from your graveyard to your hand.

Exile this card and two other cards named Say Its Name from your graveyard: Search your graveyard, hand, and/or library for a card named Altanak, the Thrice-Called and put it onto the battlefield. If you search your library this way, shuffle. Activate only as a sorcery.

Whenever Scalding Salamander attacks, you may have it deal 1 damage to each creature without flying defending player controls.

Put two +1/+1 counters on target creature and untap it. It gains hexproof until end of turn. (Then exile this card. You may cast the creature later from exile.)

When Scampering Scorcher enters, create two 1/1 red Elemental creature tokens. Elementals you control gain haste until end of turn. (They can attack and this turn.)

When Scampire enters, you get , then you may put a sticker on a creature card in your graveyard.

: Return target creature card with a sticker on it from your graveyard to the battlefield. That creature gains haste. Exile it at the beginning of the next end step. Activate only as a sorcery.

: Target player discards a card. Any player may activate this ability but only as a sorcery.

Scarred Puma can't attack unless a black or green creature also attacks.

Scene of the Crime enters tapped.

: Add .

, Tap an untapped creature you control: Add one mana of any color.

, Sacrifice Scene of the Crime: Draw a card.

, : Tap target permanent.

Flying

Whenever Schema Thief deals combat damage to a player, create a token that's a copy of target artifact that player controls.

As Scheming Fence enters, you may choose a nonland permanent.

Activated abilities of the chosen permanent can't be activated.

Scheming Fence has all activated abilities of the chosen permanent except for loyalty abilities. You may spend mana as though it were mana of any color to activate those abilities.

Target creature gets +4/+0 until end of turn. Another target creature gets -4/-0 until end of turn.

Flying

Whenever you gain life, put a +1/+1 counter on Scion of the Swarm.

Scorching Missile deals 4 damage to target player or planeswalker.

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

Exile target permanent.

Enchant creature

When Scourgemark enters, draw a card.

Enchanted creature gets +1/+0.

Each player exiles all artifact cards from their graveyard, then sacrifices all artifacts they control, then puts all cards they exiled this way onto the battlefield.

When Scrapwork Mutt enters, you may discard a card. If you do, draw 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.)

Modular 2 (This creature enters with two +1/+1 counters on it. When it dies, you may put its +1/+1 counters on target artifact creature.)

, Sacrifice an artifact: Search your library for a Construct card, reveal it, put it into your hand, then shuffle.

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.

Enchant creature

Enchanted creature gets -1/-1.

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

, , Sacrifice Scribe of the Mindful: Return target instant or sorcery card from your graveyard to your hand.

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.

Landfall — Whenever a land you control enters, create a 1/1 green Insect creature token. If you control six or more lands, create a token that's a copy of Scute Swarm instead.

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.

: Draw a card for each Ally you control.

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

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 Primordium: Destroy target artifact or enchantment.

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.)

Flying

When Searchlight Companion enters, create a 1/1 colorless Spirit creature token.

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

Enchanted land is an Island.

Whenever Seasoned Marshal attacks, you may tap target creature.

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

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."

Untap all permanents you control during each other player's untap step.