Defender

Sokrates, Athenian Teacher has hexproof as long as it's untapped.

Sokratic Dialogue — : Until end of turn, target creature gains "If this creature would deal combat damage to a player, prevent that damage. This creature's controller and that player each draw half that many cards, rounded down."

Suspend 3— (Rather than cast this card from your hand, pay and exile it with three time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, you may cast it without paying its mana cost.)

: Add .

Choose one —

• Destroy all creatures with power 2 or less.

• Destroy all creatures with power 3 or greater.

Entwine—Sacrifice two lands. (Choose both if you pay the entwine cost.)

: Put the top card of your graveyard on the bottom of your library.

Soldevi Golem doesn't untap during your untap step.

At the beginning of your upkeep, you may untap target tapped creature an opponent controls. If you do, untap Soldevi Golem.

: Add . Activate only once each turn. (While activating an ability, use rather than tapping the permanent to pay for .)

Double strike

Revolt — At the beginning of your end step, if a permanent you controlled left the battlefield this turn, put a +1/+1 counter on Solemn Recruit.

Players can't get counters.

Counters can't be put on artifacts, creatures, enchantments, or lands.

Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.)

Whenever a player casts a black spell, you gain 1 life.

: Soltari Emissary gains shadow until end of turn. (It can block or be blocked by only creatures with shadow.)

When Somberwald Beastmaster enters the battlefield, create a 2/2 green Wolf creature token, a 3/3 green Beast creature token, and a 4/4 green Beast creature token.

Creature tokens you control have deathtouch.

Flying

Whenever Somnophore deals damage to a player, tap target creature that player controls. That creature doesn't untap during its controller's untap step for as long as Somnophore remains on the battlefield.

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)

I — Scry 2, then draw two cards.

II — Create a Treasure token and a 2/2 blue Bird creature token with flying.

III — Put a flying counter on each creature you control without flying.

Enchant permanent

Enchanted permanent is a colorless Forest land.

Create X 1/1 black Rat creature tokens with "This creature can't block." Creatures you control gain haste until end of turn.

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.

(Gain the next level as a sorcery to add its ability.)

When Sorcerer Class enters the battlefield, draw two cards, then discard two cards.

: Level 2

//Level_2//

Creatures you control have ": Add or . Spend this mana only to cast an instant or sorcery spell or to gain a Class level."

: Level 3

//Level_3//

Whenever you cast an instant or sorcery spell, that spell deals damage to each opponent equal to the number of instant and sorcery spells you've cast this turn.

As Sorcerous Spyglass enters the battlefield, look at an opponent's hand, then choose any card name.

Activated abilities of sources with the chosen name can't be activated unless they're mana abilities.

As long as it's your turn, creatures and planeswalkers you control have lifelink.

+2: Sorin, Vengeful Bloodlord deals 1 damage to target player or planeswalker.

−X: Return target creature card with mana value X from your graveyard to the battlefield. That creature is a Vampire in addition to its other types.

Sorin's Vengeance deals 10 damage to target player or planeswalker and you gain 10 life.

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.)

, Remove a counter from an artifact, creature, land, or planeswalker you control: Draw a card.

Imprint — When Soul Foundry enters the battlefield, you may exile a creature card from your hand.

, : Create a token that's a copy of the exiled card. X is the mana value of that card.

Soul of Eternity's power and toughness are each equal to your life total.

Encore (, Exile this card from your graveyard: For each opponent, create a token copy that attacks that opponent this turn if able. They gain haste. Sacrifice them at the beginning of the next end step. Activate only as a sorcery.)

Exile target nonland permanent. For as long as that card remains exiled, its owner may play it. A spell cast by an opponent this way costs more to cast.

, : Target creature becomes an enchantment and loses all abilities until a player casts a creature spell.

Target player sacrifices a nontoken creature. When they do, you may discard a card. If you do, conjure a duplicate of the sacrificed creature into your hand. It perpetually gains "You may spend mana as though it were mana of any color to cast this spell."

You may exile two black cards from your hand rather than pay this spell's mana cost.

Soul Spike deals 4 damage to any target and you gain 4 life.

Choose one. If you control an artifact and an enchantment as you cast this spell, you may choose both instead.

• Exile target creature or planeswalker.

• Return target creature or planeswalker card from your graveyard to your hand.

As an additional cost to cast this spell, sacrifice all creatures you control.

Soulblast deals damage to any target equal to the total power of the sacrificed creatures.

Soulhunter Rakshasa can't block.

When Soulhunter Rakshasa enters the battlefield, if you cast it from your hand, it deals 1 damage to target opponent for each Swamp you control.

Return all creatures on the battlefield and all creature cards in graveyards to their owners' hands.

As an additional cost to cast this spell, discard a card or sacrifice a permanent.

Fathomless descent — Souls of the Lost's power is equal to the number of permanent cards in your graveyard and its toughness is equal to that number plus 1.

Destroy all nonartifact permanents.

Mutate (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on top plus all abilities from under it.)

Flying

Whenever this creature mutates, gain control of target noncreature artifact.

Exalted (Whenever a creature you control attacks alone, that creature gets +1/+1 until end of turn.)

Whenever a creature you control attacks alone, you may search your library for an Aura card that could enchant that creature, put it onto the battlefield attached to that creature, then shuffle.

Flying

When Sower of Temptation enters the battlefield, gain control of target creature for as long as Sower of Temptation remains on the battlefield.

Squad (As an additional cost to cast this spell, you may pay any number of times. When this creature enters the battlefield, create that many tokens that are copies of it.)

Grav-cannon — When Space Marine Devastator enters the battlefield, destroy up to one target artifact or enchantment.

You may have Spark Double enter the battlefield as a copy of a creature or planeswalker you control, except it enters with an additional +1/+1 counter on it if it's a creature, it enters with an additional loyalty counter on it if it's a planeswalker, and it isn't legendary.

When Spark Rupture enters the battlefield, draw a card.

Each planeswalker with one or more loyalty counters on it loses all abilities and is a creature with power and toughness each equal to the number of loyalty counters on it.

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

Protection from planeswalkers

: Sparkhunter Masticore deals 1 damage to target planeswalker.

: Sparkhunter Masticore gains indestructible until end of turn.

When Sparring Regimen enters the battlefield, learn. (You may reveal a Lesson card you own from outside the game and put it into your hand, or discard a card to draw a card.)

Whenever you attack, put a +1/+1 counter on target attacking creature and untap it.

At the beginning of your end step, return up to one target Eldrazi creature card from your graveyard to your hand. Create two 1/1 colorless Eldrazi Scion creature tokens with "Sacrifice this creature: Add ."

Enchant land

Enchanted land has ": Create a 5/5 green Beast creature token with trample."

Annihilator 1 (Whenever this creature attacks, defending player sacrifices a permanent.)

: Create two 0/1 colorless Eldrazi Spawn creature tokens. They have "Sacrifice this creature: Add ."

: Cast any number of Eldrazi spells from among cards you own outside the game without paying their mana costs.

Vigilance, lifelink

: Create a 4/4 white Angel creature token with flying. Activate only if you have at least 7 life more than your starting life total and only as a sorcery.

Indestructible

: Target creature with power 5 or greater gains indestructible until end of turn.

Put a double strike counter on target creature, then goad each creature that had a double strike counter put on it this way. (Until your next turn, those creatures attack each combat if able and attack a player other than you if able.)

Overload (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")