Rusted Sentinel enters tapped.

As Rustic Clachan enters, you may reveal a Kithkin card from your hand. If you don't, Rustic Clachan enters tapped.

: Add .

Reinforce 1— (, Discard this card: Put a +1/+1 counter on target creature.)

Spree (Choose one or more additional costs.)

+ — Untap all creatures target player controls.

+ — Target creature gains double strike until end of turn.

First strike

Wither (This deals damage to creatures in the form of -1/-1 counters.)

When Rustspore Ram enters, destroy target Equipment.

: Put an oil counter on Rustvine Cultivator.

, Remove an oil counter from Rustvine Cultivator: Untap target land.

Ruthless Cullblade gets +2/+1 as long as an opponent has 10 or less life.

As an additional cost to cast this spell, discard a card and sacrifice a creature.

Two target creatures each get -13/-13 until end of turn.

( can be paid with either or 2 life.)

Nonartifact creatures can't block this turn.

When Ruthless Lawbringer enters, you may sacrifice another creature. When you do, destroy target nonland permanent.

Target creature you control gets +1/+2 until end of turn. It fights target creature you don't control. (Each deals damage equal to its power to the other.)

Deathtouch

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

When Ruthless Ripper is turned face up, target player loses 2 life.

When Ruthless Technomancer enters, you may sacrifice another creature you control. If you do, create a number of Treasure tokens equal to that creature's power.

, Sacrifice X artifacts: Return target creature card with power X or less from your graveyard to the battlefield. X can't be 0.

Whenever Ruxa, Patient Professor enters 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.

At the beginning of your end step, if a creature died this turn, put a +1/+1 counter on Sabertooth Mauler and untap it.

, : Sacellum Archers deals 2 damage to target attacking or blocking creature.

Other Snake creatures you control get +0/+1.

Shamans you control have ": Add ."

Whenever a spell or ability an opponent controls causes a land to be put into your graveyard from the battlefield, return that card to the battlefield.

When Sadistic Augermage dies, each player puts a card from their hand on top of their library.

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

Search your library for a Forest or Plains card, reveal it, put it into your hand, then shuffle.

: Add . Spend this mana only to cast a colorless spell or to activate an ability.

Reach (This creature can block creatures with flying.)

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

Whenever you cast a noncreature spell, create a 1/1 colorless Servo artifact creature token.

−2: Target artifact you control becomes a copy of another target artifact or creature you control until end of turn, except it's an artifact in addition to its other types.

Whenever Saint Traft and Rem Karolus becomes tapped, create a 1/1 red Human creature token if this is the first time this ability has resolved this turn. If it's the second time, create a 1/1 blue Spirit creature token with flying. If it's the third time, create a 4/4 white Angel creature token with flying.

Whenever you cast a spell that has convoke, untap Saint Traft and Rem Karolus.

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 as a copy of any creature on the battlefield, except it's a Ninja in addition to its other creature types.

Sacrifice Sakura-Tribe Elder: Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

At the beginning of your upkeep, add . Until end of turn, you don't lose this mana as steps and phases end.

Salt Road Quartermasters enters with two +1/+1 counters on it.

, Remove a +1/+1 counter from Salt Road Quartermasters: Put a +1/+1 counter on target creature.

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

Whenever Salvage Scuttler attacks, return an artifact you control to its owner's hand.

Flying, vigilance, trample

Whenever you attack, other creatures you control get +2/+2 and gain indestructible until end of turn.

Unearth—Pay eight . (Pay eight energy counters: 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.)

Return target creature card from your graveyard to your hand. The Ring tempts you.

Bushido 1 (Whenever this creature blocks or becomes blocked, it gets +1/+1 until end of turn.)

If a permanent would be put into a graveyard, exile it instead.

Creatures you control have haste.

−1: Target creature gets +2/+1 and gains haste until end of turn. Scry 1.

Flash

Double strike, vigilance, haste

Other creatures you control have haste.

, : Untap another target creature.

Flash

When Samwise the Stouthearted enters, choose up to one target permanent card in your graveyard that was put there from the battlefield this turn. Return it to your hand. Then the Ring tempts you.

As Sanctuary Blade becomes attached to a creature, choose a color.

Equipped creature gets +2/+0 and has protection from the last chosen color.

Equip

Humans you control get +1/+1.

, Tap two untapped Humans you control: Tap target creature an opponent controls.

First strike

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

When you cycle Sanctuary Smasher, put a first strike counter on target creature you control.

Flying

Sanctuary Warden enters with two shield counters on it.

Whenever Sanctuary Warden enters or attacks, you may remove a counter from a creature or planeswalker you control. If you do, draw a card and create a 1/1 green and white Citizen creature token.

Flying

When Sanctum Gargoyle enters, you may return target artifact card from your graveyard to your hand.

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 .

, : Return target commander you own from the battlefield to your hand. Activate only during your turn.

, Discard a land card or Shrine card: Sanctum of Shattered Heights deals X damage to target creature or planeswalker, where X is the number of Shrines you control.

(Transforms from Azor's Gateway.)

: Add X mana of any one color, where X is your life total.

: 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.

As Sanctum Prelate enters, choose a number.

Noncreature spells with mana value equal to the chosen number can't be cast.

Lifelink

Discard a historic card: Sanctum Spirit gains indestructible until end of turn. (Artifacts, legendaries, and Sagas are historic.)

Scry 1, then draw a card. (Then exile this card. You may cast the creature later from exile.)