Whenever Serra Inquisitors blocks or becomes blocked by one or more black creatures, Serra Inquisitors gets +2/+0 until end of turn.

Enchant creature

Enchanted creature gets +2/+2.

Threshold — As long as seven or more cards are in your graveyard, all creatures able to block enchanted creature do so.

Fear (This creature can't be blocked except by artifact creatures and/or black creatures.)

Whenever Shadowmage Infiltrator deals combat damage to a player, you may draw a card.

Flying

Whenever you cycle or discard a card, Shadowstorm Vizier gets +1/+1 until end of turn.

Destroy all artifacts. They can't be regenerated.

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

When you cycle Shefet Monitor, you may search your library for a basic land card or a Desert card, put it onto the battlefield, then shuffle your library. (Do this before you draw.)

This spell can't be countered.

Protection from blue (This creature can't be blocked, targeted, dealt damage, enchanted, or equipped by anything blue.)

: Shifting Ceratops gains your choice of reach, trample, or haste until end of turn.

At the beginning of your upkeep, sacrifice a Snake.

Whenever Shisato, Whispering Hunter deals combat damage to a player, that player skips their next untap step.

: Add .

, : Target legendary creature gains fear until end of turn. (It can't be blocked except by artifact creatures and/or black creatures.)

Until end of turn, creatures you control gain "When this creature dies, it deals 2 damage to target creature an opponent controls."

Flying

Whenever Siani, Eye of the Storm attacks, scry X, where X is the number of attacking creatures with flying.

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

Enrage — Whenever Siegehorn Ceratops is dealt damage, put two +1/+1 counters on it. (It must survive the damage to get the counters.)

Flash

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

Evolve (Whenever a creature enters the battlefield under your control, if that creature has greater power or toughness than this creature, put a +1/+1 counter on this creature.)

, Remove one or more +1/+1 counters from Simic Manipulator: Gain control of target creature with power less than or equal to the number of +1/+1 counters removed this way.

Sweep — Return any number of Swamps you control to their owner's hand. Target player discards a card for each Swamp returned this way.

Flying

Whenever you cast a Spirit or Arcane spell, you may draw a card.

: Target creature blocks Sisters of Stone Death this turn if able.

: Exile target creature blocking or blocked by Sisters of Stone Death.

: Put a creature card exiled with Sisters of Stone Death onto the battlefield under your control.

When Skeleton Archer enters the battlefield, it deals 1 damage to any target.

Skeleton Scavengers enters the battlefield with a +1/+1 counter on it.

Pay for each +1/+1 counter on Skeleton Scavengers: Regenerate Skeleton Scavengers. When it regenerates this way, put a +1/+1 counter on it.

When you control no Islands, sacrifice Skeleton Ship.

: Put a -1/-1 counter on target creature.

When Skilled Animator enters the battlefield, target artifact you control becomes an artifact creature with base power and toughness 5/5 for as long as Skilled Animator remains on the battlefield.

: Skittering Heartstopper gains deathtouch until end of turn.

When you cast this spell, copy it for each time you've cast your commander from the command zone this game.

Each opponent sacrifices a creature. Each opponent who can't loses half their life, rounded up.

Choose one —

• Slagstorm deals 3 damage to each creature.

• Slagstorm deals 3 damage to each player.

Trample

Whenever Slith Predator deals combat damage to a player, put a +1/+1 counter on it.

Destroy target artifact. Smash to Smithereens deals 3 damage to that artifact's controller.

: Untap Soliton.

Flying

Soramaro, First to Dream's power and toughness are each equal to the number of cards in your hand.

, Return a land you control to its owner's hand: Draw a card.

Flying

Whenever a creature dealt damage by Soul Collector this turn dies, return that card to the battlefield under your control.

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

, , Sacrifice Soul Separator: Exile target creature card from your graveyard. Create a token that's a copy of that card, except it's 1/1, it's a Spirit in addition to its other types, and it has flying. Create a black Zombie creature token with power equal to that card's power and toughness equal to that card's toughness.

( represents colorless mana.)

Target creature gets +3/-3 until end of turn.

Multikicker (You may pay an additional any number of times as you cast this spell.)

Counter target spell unless its controller pays . Draw a card for each time Spell Contortion was kicked.

Spike-Tailed Ceratops can block an additional creature each combat.

Flash (You may cast this spell any time you could cast an instant.)

Flying

Search your library for a Plains, Island, Swamp, Mountain, or Forest card and put that card onto the battlefield. Then shuffle your library.

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

: Add .

: Stalking Stones becomes a 3/3 Elemental artifact creature that's still a land. (This effect lasts indefinitely.)

, , Pay 1 life: Add one mana of any color.

Soulbond (You may pair this creature with another unpaired creature when either enters the battlefield. They remain paired for as long as you control both of them.)

As long as Stern Mentor is paired with another creature, each of those creatures has ": Target player mills two cards."

Return target creature card from your graveyard to your hand.

Threshold — Return that card from your graveyard to the battlefield instead if seven or more cards are in your graveyard.

When Stoic Builder enters the battlefield, you may return target land card from your graveyard to your hand.

Defender (This creature can't attack.)

Flying

When Stoic Ephemera blocks, sacrifice it at end of combat.

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for or one mana of that creature's color.)

Stoke the Flames deals 4 damage to any target.

Target opponent exiles cards from the top of their library until they exile a nonland card. Until end of turn, you may cast that card without paying its mana cost.

Create a token that's a copy of target artifact or creature.

Cipher (Then you may exile this spell card encoded on a creature you control. Whenever that creature deals combat damage to a player, its controller may cast a copy of the encoded card without paying its mana cost.)

Damage can't be prevented this turn. Stomp deals 2 damage to any target.

Trample

Reveal the top seven cards of your library, then put those cards on the bottom of your library in any order. If a card named Stomping Slabs was revealed this way, Stomping Slabs deals 7 damage to any target.

: Destroy target tapped nonblack creature. Activate this ability only during your turn, before attackers are declared.