Whenever Ruxa, Patient Professor enters the battlefield or attacks, return target creature card with no abilities from your graveyard to your hand.

Creatures you control with no abilities get +1/+1.

For each creature you control with no abilities, you may have that creature assign its combat damage as though it weren't blocked.

Whenever Rysorian Badger attacks and isn't blocked, you may exile up to two target creature cards from defending player's graveyard. If you do, you gain 1 life for each card exiled this way and Rysorian Badger assigns no combat damage this turn.

Trample, protection from blue and from red

(: Add or .)

As Sacred Foundry enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

, Sacrifice Sacred Guide: Reveal cards from the top of your library until you reveal a white card. Put that card into your hand and exile all other cards revealed this way.

Kicker (You may pay an additional as you cast this spell.)

Search target player's library for up to three cards, exile them, then that player shuffles. If this spell was kicked, instead search that player's library for up to fifteen cards, exile them, then that player shuffles.

: Prevent all combat damage that would be dealt by target creature this turn.

Sage of Ancient Lore's power and toughness are each equal to the number of cards in your hand.

When Sage of Ancient Lore enters the battlefield, draw a card.

At the beginning of each upkeep, if no spells were cast last turn, transform Sage of Ancient Lore.

Flying

Spells you cast from anywhere other than your hand cost less to cast.

Foretell (During your turn, you may pay and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)

: Add two mana in any combination of colors.

: Until end of turn, target land you control becomes an X/X Citizen creature with haste in addition to its other types, where X is twice the number of Gates you control. Activate only as a sorcery.

Tap an untapped Gate you control: Untap Sage of the Maze.

If you would draw a card, instead reveal the top three cards of your library. Put all creature cards revealed this way into your hand and the rest on the bottom of your library in any order.

Choose one or both —

• Create a token that's a copy of target artifact.

• Create a token that's a copy of target creature, except it's an artifact in addition to its other types.

Whenever you cast an artifact spell, create a 1/1 colorless Thopter artifact creature token with flying.

, Sacrifice two artifacts: Draw a card.

You may have Sakashima the Impostor enter the battlefield as a copy of any creature on the battlefield, except its name is Sakashima the Impostor, it's legendary in addition to its other types, and it has ": Return this creature to its owner's hand at the beginning of the next end step."

Ninjutsu (, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.)

You may have Sakashima's Student enter the battlefield as a copy of any creature on the battlefield, except it's a Ninja in addition to its other creature types.

Whenever a creature you control deals combat damage to a player, add that much . Until end of turn, you don't lose this mana as steps and phases end.

Salt Flats enters the battlefield tapped.

: Add .

: Add or . Salt Flats deals 1 damage to you.

: Return target noncreature artifact card with mana value 1 or less from your graveyard to the battlefield.

Whenever a creature dies, you may untap Salvaging Station.

: Creatures you control gain protection from the colors of target permanent you control until end of turn.

Whenever another nontoken creature enters the battlefield under your control, create a Food token. (It's an artifact with ", , Sacrifice this artifact: You gain 3 life.")

Sacrifice three Foods: Return target historic card from your graveyard to your hand. (Artifacts, legendaries, and Sagas are historic.)

Whenever another creature enters the battlefield under your control, Sanctifier of Souls gets +1/+1 until end of turn.

, Exile a creature card from your graveyard: Create a 1/1 white Spirit creature token with flying.

At the beginning of your upkeep, you may search your library and/or graveyard for a Shrine card and put it onto the battlefield. If you search your library this way, shuffle.

If an ability of another Shrine you control triggers while you control six or more Shrines, that ability triggers an additional time.

: Add .

Whenever you cast a colorless spell with mana value 7 or greater, you may sacrifice Sanctum of Ugin. If you do, search your library for a colorless creature card, reveal it, put it into your hand, then shuffle.

: Add X mana of any one color, where X is the number of enchantments you control.

Sand Silos enters the battlefield tapped.

You may choose not to untap Sand Silos during your untap step.

At the beginning of your upkeep, if Sand Silos is tapped, put a storage counter on it.

, Remove any number of storage counters from Sand Silos: Add for each storage counter removed this way.

, : Target player mills X cards.

Reach

When Sandsteppe Mastodon enters the battlefield, bolster 5. (Choose a creature with the least toughness among creatures you control and put five +1/+1 counters on it.)

Flying

Whenever an opponent casts a spell during their turn, they can't attack you or planeswalkers you control this turn.

Each opponent who attacked you or a planeswalker you control this turn can't cast spells.

Flying

Whenever a creature an opponent controls dies, you may gain 3 life.

Whenever an opponent discards a card, you may gain 3 life.

When Sanguine Brushstroke enters the battlefield, create a Blood token and conjure a card named Blood Artist onto the battlefield.

Whenever you sacrifice a Blood token, each opponent loses 1 life and you gain 1 life.

, Sacrifice a creature: Destroy each creature with the same mana value as the sacrificed creature.

Menace, lifelink

, Sacrifice another creature: Surveil 1. (Look at the top card of your library. You may put that card into your graveyard.)

At the beginning of your end step, if there are five or more mana values among cards in your graveyard, you may pay 2 life. If you do, draw a card.

As long as an artifact creature you control is attacking, prevent all damage that would be dealt to Sanwell, Avenger Ace.

Whenever Sanwell becomes tapped, exile the top six cards of your library. You may cast a Vehicle or artifact creature spell from among them. Then put the rest on the bottom of your library in a random order.

Indestructible

Whenever Sapling of Colfenor attacks, reveal the top card of your library. If it's a creature card, you gain life equal to that card's toughness, lose life equal to its power, then put it into your hand.

Blue spells you cast cost less to cast.

Whenever Saprazzan Heir becomes blocked, you may draw three cards.

, Discard a card: Create a 1/1 green Saproling creature token. Any player may activate this ability.

You may cast Saproling Symbiosis as though it had flash if you pay more to cast it. (You may cast it any time you could cast an instant.)

Create a 1/1 green Saproling creature token for each creature you control.

Whenever you cast a historic spell, investigate. This ability triggers only once each turn. (Artifacts, legendaries, and Sagas are historic. To investigate, create a Clue token. It's an artifact with ", Sacrifice this artifact: Draw a card.")

Doctor's companion (You can have two commanders if the other is the Doctor.)

First strike, trample

Whenever Sardian Avenger attacks, it gets +X/+0 until end of turn, where X is the number of artifacts your opponents control.

Whenever an artifact an opponent controls is put into a graveyard from the battlefield, Sardian Avenger deals 1 damage to that player.

Whenever a creature attacks you or a planeswalker you control, each Dragon you control deals 1 damage to that creature.

+1: Until end of turn, each planeswalker you control becomes a 4/4 red Dragon creature and gains flying.

−3: Create a 4/4 red Dragon creature token with flying.

Whenever you cast a creature spell with power 4, 5, or 6, Sarkhan's Unsealing deals 4 damage to any target.

Whenever you cast a creature spell with power 7 or greater, Sarkhan's Unsealing deals 4 damage to each opponent and each creature and planeswalker they control.

Whenever a permanent an opponent controls is put into a graveyard from the battlefield, put a +1/+1 counter on Sarulf, Realm Eater.

At the beginning of your upkeep, if Sarulf has one or more +1/+1 counters on it, you may remove all of them. If you do, exile each other nonland permanent with mana value less than or equal to the number of counters removed this way.

Reveal your hand: If you have seven or more land cards in your hand, flip Sasaya, Orochi Ascendant.

Whenever you activate a ninjutsu ability, look at the top three cards of your library. Put one of them into your hand and the rest on the bottom of your library in any order. This ability triggers only once each turn.

Each creature card in your hand has ninjutsu .

: Put a lore counter on each Saga you control. Activate only as a sorcery.

When Satsuki, the Living Lore dies, choose up to one —

• Return target Saga or enchantment creature you control to its owner's hand.

• Return target Saga card from your graveyard to your hand.

Menace

Whenever Sauron, the Necromancer attacks, exile target creature card from your graveyard. Create a tapped and attacking token that's a copy of that card, except it's a 3/3 black Wraith with menace. At the beginning of the next end step, exile that token unless Sauron is your Ring-bearer.

Cast this spell only during your turn and only during combat.

Choose one —

• Creatures you control gain double strike until end of turn.

• Untap all creatures you control. After this phase, there is an additional combat phase.

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

: Savage Knuckleblade gets +2/+2 until end of turn. Activate only once each turn.

: Return Savage Knuckleblade to its owner's hand.

: Savage Knuckleblade gains haste until end of turn.

This spell can't be countered.

The next creature spell you cast this turn can be cast as though it had flash. That spell can't be countered. That creature enters the battlefield with an additional +1/+1 counter on it.