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

Shamans you control have ": Add ."

(: Add or .)

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

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

Add an amount of equal to the sacrificed creature's mana value.

Equipped creature gets +3/+3 and can't be blocked by creatures with power 3 or less.

Equip

, : Exile target creature you control.

At the beginning of your upkeep, you may sacrifice Safe Haven. If you do, return each card exiled with Safe Haven to the battlefield under its owner's control.

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

Persist (When this creature dies, if it had no -1/-1 counters on it, return it to the battlefield under its owner's control with a -1/-1 counter on it.)

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

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, draw a card.

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

When Sage of Epityr enters, look at the top four cards of your library, then put them back in any order.

Heroic — Whenever you cast a spell that targets Sage of Hours, put a +1/+1 counter on it.

Remove all +1/+1 counters from Sage of Hours: For each five counters removed this way, take an extra turn after this one.

Constellation — Whenever an enchantment you control enters, target player mills two cards.

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.)

Flying

Whenever you cast a noncreature spell, creatures you control gain lifelink until end of turn.

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

+1: Scry 1. You may tap an untapped artifact you control. If you do, draw a card.

−2: Create two 1/1 colorless Thopter artifact creature tokens with flying. They gain haste until end of turn.

−4: You get an emblem with "Artifact creatures you control get +1/+1" and "Artifact spells you cast cost less to cast."

+1: Create a 1/1 colorless Servo artifact creature token.

+1: The next spell you cast this turn costs less to cast for each artifact you control as you cast it.

−7: For each artifact you control, create a token that's a copy of it. Those tokens gain haste. Exile those tokens at the beginning of the next end step.

Saheeli, the Gifted can be your commander.

When Sailor of Means enters, create a Treasure token. (It's an artifact with ", Sacrifice this artifact: Add one mana of any color.")

You may have Sakashima of a Thousand Faces enter as a copy of another creature you control, except it has Sakashima of a Thousand Faces's other abilities.

The "legend rule" doesn't apply to permanents you control.

Partner (You can have two commanders if both have partner.)

Salt Flats enters tapped.

: Add .

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

Sacrifice Salvager of Ruin: Choose target permanent card in your graveyard that was put there from the battlefield this turn. Return it to your hand.

Bushido 2 (Whenever this creature blocks or becomes blocked, it gets +2/+2 until end of turn.)

First strike, vigilance, haste

Whenever a creature you control deals combat damage to a player, if that creature entered this turn, draw a card.

Creatures you control get +2/+1 until end of turn. White creatures you control also gain first strike until end of turn. (They deal combat damage before creatures without first strike.)

Whenever another creature you control enters, 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 .

, : 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.

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

, : Target player mills X cards.

, Sacrifice two lands and Sandstone Deadfall: Destroy target attacking creature.

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.

Whenever a player kicks a spell, you create a 1/1 green Saproling creature token.

Whenever Saradoc, Master of Buckland or another nontoken creature you control with power 2 or less enters, create a 1/1 white Halfling creature token.

Tap two other untapped Halflings you control: Saradoc gets +2/+0 and gains lifelink until end of turn.

+1: You may discard a card. If you do, draw a card.

+1: Add two mana in any combination of colors. Spend this mana only to cast Dragon spells.

−7: Create four 5/5 red Dragon creature tokens with flying.

Sarkhan's Dragonfire deals 3 damage to any target.

Look at the top five cards of your library. You may reveal a red card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

When Sarulf's Packmate enters, draw a card.

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.)

Other tapped creatures you control have deathtouch.

Other untapped creatures you control have hexproof.

, : Untap another target creature or land you control.

Menace, haste

Whenever Satya, Aetherflux Genius attacks, create a tapped and attacking token that's a copy of up to one other target nontoken creature you control. You get (two energy counters). At the beginning of the next end step, sacrifice that token unless you pay an amount of equal to its mana value.

When Satyr Wayfinder enters, reveal the top four cards of your library. You may put a land card from among them into your hand. Put the rest into your graveyard.

When you cast this spell, amass Orcs 5, mill five cards, then return a creature card from your graveyard to the battlefield.

Trample

Whenever a commander an opponent controls dies, the Ring tempts you.

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

Creatures you control gain first strike until end of turn. If this spell was kicked, they get +1/+1 until end of turn.

Training (Whenever this creature attacks with another creature with greater power, put a +1/+1 counter on this creature.)

Whenever Savior of Ollenbock trains, exile up to one other target creature from the battlefield or creature card from a graveyard.

When Savior of Ollenbock leaves the battlefield, put the exiled cards onto the battlefield under their owners' control.

Survival — At the beginning of your second main phase, if Savior of the Small is tapped, return target creature card with mana value 3 or less from your graveyard to your hand.

Destroy target creature. If that creature dies this way, its controller creates two tokens that are copies of that creature, except their power is half that creature's power and their toughness is half that creature's toughness. Round up each time.

Flash

Affinity for artifacts (This spell costs less to cast for each artifact you control.)

: Target creature gets +0/+1 until end of turn.

Sacrifice any number of lands. Search your library for up to that many land cards, put them onto the battlefield tapped, then shuffle.

, Sacrifice Scarab of the Unseen: Return all Auras attached to target permanent you own to their owners' hands. Draw a card at the beginning of the next turn's upkeep.