, Sacrifice another creature or an enchantment: Skophos Warleader gets +1/+0 and gains menace until end of turn. (It can't be blocked except by two or more creatures.)

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

Skrelv, Defector Mite can't block.

, : Choose a color. Another target creature you control gains toxic 1 and hexproof from that color until end of turn. It can't be blocked by creatures of that color this turn. ( can be paid with either or 2 life.)

At the beginning of your upkeep, return a black creature you control to its owner's hand.

: Regenerate Skull Collector.

: Add .

Sacrifice Skull of Ramos: Add .

Whenever you cast a Spirit or Arcane spell, you may put a ki counter on Skullmane Baku.

, , Remove X ki counters from Skullmane Baku: Target creature gets -X/-X until end of turn.

When Skullport Merchant enters, create a Treasure token. (It's an artifact with ", Sacrifice this artifact: Add one mana of any color.")

, Sacrifice another creature or a Treasure: Draw a card.

Flying, lifelink

: You and target opponent each draw a card.

Flying

When Sky Hussar enters, untap all creatures you control.

Forecast — Tap two untapped white and/or blue creatures you control, Reveal Sky Hussar from your hand: Draw a card. (Activate only during your upkeep and only once each turn.)

: Target white or black creature gains flying until end of turn. (It can't be blocked except by creatures with flying or reach.)

Enchant creature

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

: Return Skyblade's Boon to its owner's hand. Activate only if Skyblade's Boon is on the battlefield or in your graveyard.

Skybridge Towers enters tapped.

: Add or .

, , Sacrifice Skybridge Towers: Draw a card.

Flying

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

When Skyclave Pick-Axe enters, attach it to target creature you control.

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

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

, Sacrifice another creature: Put a +1/+1 counter on Skyclave Shadowcat.

Whenever a creature you control with a +1/+1 counter on it dies, draw a card.

, : Add .

Skyline Cascade enters tapped.

When Skyline Cascade enters, target creature an opponent controls doesn't untap during its controller's next untap step.

: Add .

Sacrifice Skyshaper: Creatures you control gain flying until end of turn.

When Skyship Weatherlight enters, search your library for any number of artifact and/or creature cards, exile them, then shuffle.

, : Choose a card at random that was exiled with Skyship Weatherlight. Put that card into its owner's hand.

: Target creature with flying gets -1/-1 until end of turn.

Skyshroud Forest enters tapped.

: Add .

: Add or . Skyshroud Forest deals 1 damage to you.

: You may put a land card from your hand onto the battlefield. Activate only as a sorcery.

: Add .

Flying

Whenever Skysovereign, Consul Flagship enters or attacks, it deals 3 damage to target creature or planeswalker an opponent controls.

Crew 3 (Tap any number of creatures you control with total power 3 or more: This Vehicle becomes an artifact creature until end of turn.)

Vigilance

: Reveal the top card of your library. If it's a land card, put it onto the battlefield. Otherwise, put it into your hand.

Reach (This creature can block creatures with flying.)

: Skyway Sniper deals 1 damage to target creature with flying.

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.

Slagwoods Bridge enters tapped.

Indestructible

: Add or .

, , Discard your hand: Draw a card for each creature you control.

Bloodrush — , Discard Slaughterhorn: Target attacking creature gets +3/+2 until end of turn.

Trample

Forestcycling (, Discard this card: Search your library for a Forest card, reveal it, put it into your hand, then shuffle.)

: Add .

, : Target creature gets +2/+0 and gains vigilance and haste until end of turn.

Flying, ward

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

: Untap Sleep-Cursed Faerie.

Slice and Dice deals 4 damage to each creature.

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

When you cycle Slice and Dice, you may have it deal 1 damage to each creature.

Whenever a Saproling you control dies, Slimefoot, the Stowaway deals 1 damage to each opponent and you gain 1 life.

: Create a 1/1 green Saproling creature token.

When Sling-Gang Lieutenant enters, create two 1/1 red Goblin creature tokens.

Sacrifice a Goblin: Target player loses 1 life and you gain 1 life.

Flying

, Sacrifice Slinking Skirge: Draw a card.

Slipstream Eel can't attack unless defending player controls an Island.

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

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

: Regenerate Slith Bloodletter.

Scavenge (, Exile this card from your graveyard: Put a number of +1/+1 counters equal to this card's power on target creature. Scavenge only as a sorcery.)

Eldrazi you control are Slivers in addition to their other types.

Slivers you control have devoid and have annihilator 1.

: Create a 1/1 colorless Eldrazi Sliver creature token. It has "Sacrifice this creature: Add ."

: Add .

: Add one mana of any color. Spend this mana only to cast a Sliver spell.

, : Create a 1/1 colorless Sliver creature token. Activate only if you control a Sliver.

: Create a 1/1 colorless Sliver creature token.

Slivers you control have flying and "Whenever you draw a card, this creature deals 1 damage to any target" and ": Draw a card."

, Sacrifice an artifact: Add an amount of equal to the sacrificed artifact's mana value. Spend this mana only to cast artifact spells or activate abilities of artifacts.

Jolly Gutpipes — , , Sacrifice a creature: The next creature spell you cast this turn has cascade. (When you next cast a creature 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.)

Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.)

Scavenge (, Exile this card from your graveyard: Put a number of +1/+1 counters equal to this card's power on target creature. Scavenge only as a sorcery.)

, Discard a Spirit or Arcane card: Slumbering Tora becomes an X/X Cat artifact creature until end of turn, where X is the discarded card's mana value.

, : Until your next turn, target creature an opponent controls can't be blocked. Goad that creature. (Until your next turn, that creature attacks each combat if able and attacks a player other than you if able.)

, , Sacrifice another artifact: Reveal the top eight cards of your library. Put up to two noncreature artifact cards with total mana value less than or equal to the sacrificed artifact's mana value from among them onto the battlefield and the rest on the bottom of your library in a random order.

: Look at target face-down creature.