Whenever Stealer of Secrets deals combat damage to a player, draw a card.

Steam Frigate can't attack unless defending player controls an Island.

Offspring (You may pay an additional as you cast this spell. If you do, when this creature enters, create a 1/1 token copy of it.)

When this creature dies, it deals 1 damage to target player.

Enchant creature

As long as enchanted creature is white, it gets +1/+1 and has lifelink. (Damage dealt by the creature also causes its controller to gain that much life.)

As long as enchanted creature is blue, it gets +1/+1 and can't be blocked.

Defender (This creature can't attack.)

Defender

Whenever an enchantment you control enters, Steelclad Spirit can attack this turn as though it didn't have defender.

Flying

Whenever you draw your second card each turn, Steelgaze Griffin gets +2/+0 until end of turn.

: Steeple Creeper gains flying until end of turn.

Steer Clear deals 2 damage to target attacking or blocking creature. Steer Clear deals 4 damage to that creature instead if you controlled a Mount as you cast this spell.

Stensia Banquet deals damage to target opponent or planeswalker equal to the number of Vampires you control.

Draw a card.

Open two Attractions. (Put the top two cards of your Attraction deck onto the battlefield.)

Landfall — Whenever a land you control enters, Steppe Lynx gets +2/+2 until end of turn.

, : Tap target non-Mount creature.

, Discard a card: Tap target creature.

Draw two cards, then discard a card. Create a tapped Powerstone token. (It's an artifact with ": Add . This mana can't be spent to cast a nonartifact spell.")

Enchant creature

Enchanted creature has menace and "Whenever this creature deals combat damage to a player, create a Treasure token." (It can't be blocked except by two or more creatures. The token is an artifact with ", Sacrifice this artifact: Add one mana of any color.")

When enchanted creature dies, draw a card.

Reach

When Stickytongue Sentinel enters, return up to one other target permanent you control to its owner's hand.

Flash

Flying

When Stingblade Assassin enters, destroy target creature an opponent controls that was dealt damage this turn.

Toxic 1 (Players dealt combat damage by this creature also get a poison counter.)

When Stinging Hivemaster dies, create a 1/1 colorless Phyrexian Mite artifact creature token with toxic 1 and "This creature can't block."

Put three -1/-1 counters on target creature with flying.

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

Echo (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)

When Stingscourger enters, return target creature an opponent controls to its owner's hand.

Flying

Whenever Stinkweed Imp deals combat damage to a creature, destroy that creature.

Dredge 5 (If you would draw a card, you may mill five cards instead. If you do, return this card from your graveyard to your hand.)

Flying

Stirge can't block.

Blood Drain — , Pay 1 life, Sacrifice Stirge: Draw a card.

Defender

When Stirring Bard enters, you take the initiative.

Mantle of Inspiration — : Target creature gains menace and haste until end of turn.

As an additional cost to cast this spell, exile a creature card from your graveyard.

Flying

, : Create a 2/2 blue Homunculus creature token, then sacrifice a creature.

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

Target creature gets +3/+1 until end of turn. If it's your turn, that creature gains trample until end of turn. Otherwise, it gains first strike until end of turn.

: Stone Kavu gets +1/+0 until end of turn.

: Stone Kavu gets +0/+1 until end of turn.

Destroy target land.

Whenever one or more cards leave your graveyard, scry 1.

Stonefury deals damage to target creature equal to the number of lands you control.

When Stonehorn Dignitary enters, target opponent skips their next combat phase.

Landfall — Whenever a land you control enters, untap Stone-Seeder Hierophant.

: Untap target land.

: Prevent all damage that would be dealt to Stonewise Fortifier by target creature this turn.

Stonework Packbeast is also a Cleric, Rogue, Warrior, and Wizard.

: Add one mana of any color.

Put a +1/+1 counter on target creature you control. Untap that creature.

Islandwalk (This creature can't be blocked as long as defending player controls an Island.)

Merfolk spells and Wizard spells you cast cost less to cast.

Flash

Enchant artifact or creature

When Stop Cold enters, tap enchanted permanent.

Enchanted permanent loses all abilities and doesn't untap during its controller's untap step.

When Storm Caller enters, it deals 2 damage to each opponent.

Raid — When Storm Fleet Pyromancer enters, if you attacked this turn, Storm Fleet Pyromancer deals 2 damage to any target.

Storm Sculptor can't be blocked.

When Storm Sculptor enters, return a creature you control to its owner's hand.

Target creature gets +1/+0 and gains first strike until end of turn. Scry 1.

Sacrifice Stormcaller's Boon: Creatures you control gain flying until end of turn.

Cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom in a random order.)

Whenever you cast a spell with mana value 5 or greater, put two +1/+1 counters on Stormkeld Prowler.

, : Tap target creature.

, : Target player loses 1 life.

Flying

Sacrifice a land: Return Stormwatch Eagle to its owner's hand.

Enchant creature

When Strands of Undeath enters, target player discards two cards.

: Regenerate enchanted creature.

Strangle deals 3 damage to target creature or planeswalker.