Flying

Whenever you cast a noncreature spell, Sky Theater Strix gets +1/+0 until end of turn.

Flying

: Transform Skyclave Aerialist. Activate only as a sorcery. ( can be paid with either or 2 life.)

When Skyclave Cleric enters the battlefield, you gain 2 life.

Flying

Melee (Whenever this creature attacks, it gets +1/+1 until end of turn for each opponent you attacked this combat.)

Lieutenant — As long as you control your commander, other creatures you control have melee.

Flying

At the beginning of combat on your turn, you may pay . When you do, put a +1/+1 counter on another target creature you control, and that creature gains flying until end of turn.

Each player draws X cards.

Forecast — , Reveal Skyscribing from your hand: Each player draws a card. (Activate only during your upkeep and only once each turn.)

Flying

Whenever Skystrike Officer attacks, create a 1/1 colorless Soldier artifact creature token.

Tap three untapped Soldiers you control: Draw a card.

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

, Sacrifice an artifact: Slag Strider deals 1 damage to any target.

Whenever you sacrifice a permanent, Slaughter-Priest of Mogis gets +2/+0 until end of turn.

, Sacrifice another creature or an enchantment: Slaughter-Priest of Mogis gains first strike until end of turn.

Flying, ward

Sleep-Cursed Faerie enters the battlefield tapped with three stun counters on it. (If it would become untapped, remove a stun counter from it instead.)

: Untap Sleep-Cursed Faerie.

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

When Slinn Voda, the Rising Deep enters the battlefield, if it was kicked, return all creatures to their owners' hands except for Merfolk, Krakens, Leviathans, Octopuses, and Serpents.

Whenever Slith Strider becomes blocked, draw a card.

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

Whenever another artifact you control enters or leaves the battlefield, you may pay . If you do, target player loses 1 life and you gain 1 life.

Whenever an enchantment enters the battlefield under your control, scry 1.

: Slumbering Keepguard gets +1/+1 until end of turn for each enchantment you control.

Whenever Smogsteed Rider attacks, each other attacking creature gains fear until end of turn. (They can't be blocked except by artifact creatures and/or black creatures.)

Wither (This deals damage to creatures in the form of -1/-1 counters.)

When Smoldering Efreet dies, it deals 2 damage to you.

(: Add or .)

Smoldering Marsh enters the battlefield tapped unless you control two or more basic lands.

Smoldering Stagecoach's power is equal to the number of instant and sorcery cards in your graveyard.

Whenever Smoldering Stagecoach attacks, the next instant spell and the next sorcery spell you cast this turn each have cascade.

Crew 2

When Smoldering Werewolf enters the battlefield, it deals 1 damage to each of up to two target creatures.

: Transform Smoldering Werewolf.

Whenever an opponent draws a card, that player may pay . If the player doesn't, you create a Treasure token. (It's an artifact with ", Sacrifice this artifact: Add one mana of any color.")

Flying

When Snaremaster Sprite enters the battlefield, you may pay . When you do, tap target creature an opponent controls and put a stun counter on it. (If a permanent with a stun counter would become untapped, remove one from it instead.)

Trample

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

Enchant creature

When Soaring Hope enters the battlefield, you gain 3 life.

Enchanted creature has flying.

: Put Soaring Hope on top of its owner's library.

Soaring Seacliff enters the battlefield tapped.

When Soaring Seacliff enters the battlefield, target creature gains flying until end of turn.

: Add .

Flash

Flying

As long as an opponent has eight or more cards in their graveyard, Rogues you control get +1/+0.

Whenever one or more Rogues you control attack, each opponent mills two cards.

Sunburst (This enters the battlefield with a +1/+1 counter on it for each color of mana spent to cast it.)

: Double the number of +1/+1 counters on Solarion.

Creatures you control get +0/+5 until end of turn.

Shadow (This creature can block or be blocked by only creatures with shadow.)

Whenever Soltari Champion attacks, other creatures you control get +1/+1 until end of turn.

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

Shadow (This creature can block or be blocked by only creatures with shadow.)

: The next time Soltari Guerrillas would deal combat damage to an opponent this turn, it deals that damage to target creature instead.

Protection from black

Shadow (This creature can block or be blocked by only creatures with shadow.)

Shadow (This creature can block or be blocked by only creatures with shadow.)

Whenever Soltari Trooper attacks, it gets +1/+1 until end of turn.

: Add one mana of any color.

, : Untap another target artifact.

, : Scry 1. (Look at the top card of your library. You may put that card on the bottom.)

, : Target creature can't be blocked this turn.

: Target creature you control gains flying until end of turn.

: Prevent all combat damage that would be dealt to and dealt by target creature you control this turn.

+1: Look at the top card of your library. You may reveal that card and put it into your hand. If you do, you lose life equal to its mana value.

−2: Create a 2/3 black Vampire creature token with flying and lifelink.

−7: Sorin the Mirthless deals 13 damage to any target. You gain 13 life.

+1: Target creature you control gains deathtouch and lifelink until end of turn. If it's a Vampire, put a +1/+1 counter on it.

+1: You may sacrifice a Vampire. When you do, Sorin, Imperious Bloodlord deals 3 damage to any target and you gain 3 life.

−3: You may put a Vampire creature card from your hand onto the battlefield.

+1: Until your next turn, creatures you control get +1/+0 and gain lifelink.

−2: Create a 2/2 black Vampire creature token with flying.

−6: You get an emblem with "At the beginning of each opponent's upkeep, that player sacrifices a creature."

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 Thirst deals 2 damage to target creature and you gain 2 life.

Whenever an opponent casts a creature spell, Soul Barrier deals 2 damage to that player unless they pay .

: Target creature gains trample until end of turn. If this is the third time this ability has resolved this turn, you may add .

Pay 3 life: Put a +1/+1 counter on Souldrinker.

Enchant creature

Enchanted creature gets +1/+1 and has vigilance.

When enchanted creature dies, manifest the top card of your library. (Put it onto the battlefield face down as a 2/2 creature. Turn it face up any time for its mana cost if it's a creature card.)

Whenever you cast a spell with an odd mana value, convert Soundwave. If you do, create Ravage, a legendary 3/3 black Robot artifact creature token with menace and deathtouch.

Whenever you cast a spell with an even mana value, convert Soundwave. If you do, create Laserbeak, a legendary 2/2 blue Robot artifact creature token with flying and hexproof.

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.

Equipped creature has first strike.

: Attach Sparring Collar to target creature you control.

Equip (: Attach to target creature you control. Equip only as a sorcery.)

Whenever Sparring Golem becomes blocked, it gets +1/+1 until end of turn for each creature blocking it.

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.

Trample

Whenever Spawnwrithe deals combat damage to a player, create a token that's a copy of Spawnwrithe.