Prevent the next 3 damage that would be dealt to target creature this turn. At the beginning of the next end step, put a +0/+1 counter on that creature for each 1 damage prevented this way.

Sacred Fire deals 2 damage to any target and you gain 2 life.

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

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

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

Saddled Rimestag gets +2/+2 as long as you had another creature enter the battlefield under your control this turn.

Enchant creature

Enchanted creature has ", : Put a -1/-1 counter on target creature."

Menace

At the beginning of your end step, if you have the initiative, create a Treasure token. Create three of those tokens instead if you've completed a dungeon.

Choose a Background (You can have a Background as a second commander.)

, Sacrifice an artifact: Draw a card.

Whenever Sage of the Falls or another non-Human creature you control enters, you may draw a card. If you do, discard a card.

Enchant creature

When Sage's Reverie enters, draw a card for each Aura you control that's attached to a creature.

Enchanted creature gets +1/+1 for each Aura you control that's attached to a creature.

When Saheeli's Lattice enters, you may discard a card. If you do, draw two cards.

Craft with one or more Dinosaurs (, Exile this artifact, Exile one or more Dinosaurs you control and/or Dinosaur cards from your graveyard: Return this card transformed under its owner's control. Craft only as a sorcery.)

Return target instant or sorcery card from your graveyard to your hand.

This spell costs less to cast for each card you own in exile and in your graveyard that's an instant card, a sorcery card, or a card that has an Adventure.

Ward (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays .)

Salt Marsh enters tapped.

: Add or .

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.

: Add .

, : Put a storage counter on Saltcrusted Steppe.

, Remove X storage counters from Saltcrusted Steppe: Add X mana in any combination of and/or .

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

: Prevent the next 1 damage that would be dealt to any target this turn.

: Samite Archer deals 1 damage to any target.

Whenever Sample Collector attacks, you may collect evidence 3. When you do, put a +1/+1 counter on target creature you control. (To collect evidence 3, exile cards with total mana value 3 or greater from your graveyard.)

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.

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.

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.

Sacrifice Sanctum Guardian: The next time a source of your choice would deal damage to any target this turn, prevent that damage.

At the beginning of your first main phase, add X mana of any one color, where X is the number of Shrines you control.

At the beginning of your first main phase, each opponent loses X life and you gain X life, where X is the number of Shrines you control.

Lifelink

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

When Sand Strangler enters, if you control a Desert or there is a Desert card in your graveyard, you may have Sand Strangler deal 3 damage to target creature.

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

Flash

When Sandstalker Moloch enters, if an opponent cast a blue and/or black spell this turn, look at the top four cards of your library. You may reveal a permanent card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

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

: Add .

, : Target creature can't block this turn. Activate only as a sorcery.

You draw X cards and you lose X life, where X is your devotion to black. (Each in the mana costs of permanents you control counts toward your devotion to black.)

Whenever you gain life, target opponent loses that much life.

Sanguine Morass enters tapped.

: Add or .

When Sanity Gnawers enters, target player discards a card at random.

Flying

Each creature you control with a +1/+1 counter on it has flying.

Saprazzan Cove enters tapped.

: Put a storage counter on Saprazzan Cove.

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

(: Add .)

Sapseep Forest enters tapped.

, : You gain 1 life. Activate only if you control two or more green permanents.

When Sarcomancy enters, create a 2/2 black Zombie creature token.

At the beginning of your upkeep, if there are no Zombies on the battlefield, Sarcomancy deals 1 damage to you.

At the beginning of each player's end step, if no permanents left the battlefield this turn, that player loses X life, where X is Sarevok's power.

Choose a Background (You can have a Background as a second commander.)

Search your library for a Dragon creature card, reveal it, put it into your hand, then shuffle.

Ward

Whenever you cast your second spell each turn, amass Orcs 2. (Put two +1/+1 counters on an Army you control. It's also an Orc. If you don't control an Army, create a 0/0 black Orc Army creature token first.)

Whenever you cast an enchantment spell, draw a card.

: Target creature must be blocked this turn if able.

Escalate (Pay this cost for each mode chosen beyond the first.)

Choose one or more —

• Creatures target player controls gain trample until end of turn.

• Savage Alliance deals 2 damage to target creature.

• Savage Alliance deals 1 damage to each creature target opponent controls.

Savage Lands enters tapped.

: Add , , or .

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

Target creature gets +2/+2 until end of turn. Untap that creature.

Flying

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

Whenever you cycle a card, you may pay . When you do, Savai Thundermane deals 2 damage to target creature and you gain 2 life.