Flying

When Skull Saucer enters, destroy target creature and put your head on the table. Sacrifice Skull Saucer when your head stops touching the table.

At the beginning of each opponent's upkeep, Skullcage deals 2 damage to that player unless they have exactly three or exactly four cards in hand.

Players can't gain life this turn. Damage can't be prevented this turn. Skullcrack deals 3 damage to target player or planeswalker.

: You gain 1 life.

, Discard a card: You gain 3 life.

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

Eerie — Whenever an enchantment you control enters and whenever you fully unlock a Room, surveil 1. (Look at the top card of your library. You may put it into your graveyard.)

Sky Diamond enters tapped.

: Add .

Flying, first strike

Enchant creature

Enchanted creature has defender and loses flying.

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.

Flying

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

When Skyclave Cleric enters, you gain 2 life.

Flying

When this creature transforms into Skyclave Invader, look at the top card of your library. If it's a land card, you may put it onto the battlefield. If you don't put the card onto the battlefield, put it into your hand.

Look at the top X cards of your library, where X is three plus the number of creatures in your party. Put three of those cards into your hand and the rest on the bottom of your library in a random order. (Your party consists of up to one each of Cleric, Rogue, Warrior, and Wizard.)

Whenever Skyclaw Thrash attacks, flip a coin. If you win the flip, Skyclaw Thrash gets +1/+1 and gains flying until end of turn.

Reach

When Skyfisher Spider enters, you may sacrifice another creature. When you do, destroy target nonland permanent.

When Skyfisher Spider dies, you may gain 1 life for each creature card in your graveyard. If you do, exile Skyfisher Spider from your graveyard.

Flying

Whenever Skyknight Vanguard attacks, create a 1/1 white Soldier creature token that's tapped and attacking.

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

Flying

Ascend (If you control ten or more permanents, you get the city's blessing for the rest of the game.)

Skymarcher Aspirant has flying as long as you have the city's blessing.

Reach

Flying

Converge — Skyrider Elf enters with a +1/+1 counter on it for each color of mana spent to cast it.

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 Skyship Plunderer deals combat damage to a player, for each kind of counter on target permanent or player, give that permanent or player another counter of that kind.

All lands gain shroud until end of turn. (They can't be the targets of spells or abilities.)

Draw a card.

Skyshroud Elite gets +1/+2 as long as an opponent controls a nonbasic land.

Reach

When Skyshroud Lookout enters the battlefield, seek an Elf card.

Vigilance (Attacking doesn't cause this creature to tap.)

Reach (This creature can block creatures with flying.)

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.

Destroy target creature with power 3 or greater. Scry 1. (Look at the top card of your library. You may put that card on the bottom.)

Whenever equipped creature attacks, you may return a land you control to its owner's hand. If you do, the creature gets +2/+2 until end of turn.

Equip

Whenever Slagstone Refinery or another nontoken artifact you control is put into a graveyard from the battlefield or is put into exile from the battlefield, create a tapped Powerstone token. (It's an artifact with ": Add . This mana can't be spent to cast a nonartifact spell.")

Toxic 2 (Players dealt combat damage by this creature also get two poison counters.)

Whenever another creature you control with toxic attacks, it gets +1/+1 until end of turn.

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.

Whenever Slavering Nulls deals combat damage to a player, if you control a Swamp, you may have that player discard a card.

When Slayer of the Wicked enters, you may destroy target Vampire, Werewolf, or Zombie.

Slaying Fire deals 3 damage to any target.

Adamant — If at least three red mana was spent to cast this spell, it deals 4 damage instead.

Crew 1 (Tap any number of creatures you control with total power 1 or more: This Vehicle becomes an artifact creature until end of turn.)

Enchant creature

When Sleep with the Fishes enters, tap enchanted creature and you create a 1/1 blue Fish creature token with "This creature can't be blocked."

Enchanted creature doesn't untap during its controller's untap step.

Look at the top two cards of your library. Put one of them into your hand and the other on the bottom of your library.

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.

Slick Sequence deals 2 damage to any target. If you've cast another spell this turn, draw a card.

Create an X/X green Ooze creature token.

Domain — Search your library for up to two land cards that each have a basic land type, put them onto the battlefield tapped, then shuffle. Look at the top X cards of your library, where X is the number of basic land types among lands you control. Put up to one of them on top of your library and the rest on the bottom of your library in a random order.

If a black creature with flying is attacking, you may pay rather than pay this spell's mana cost.

Destroy target attacking creature with flying.

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

Whenever Slinking Giant blocks or becomes blocked, it gets -3/-0 until end of turn.

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

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

Hexproof (This creature can't be the target of spells or abilities your opponents control.)

Flying

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

Haste

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

Whenever Slith Strider becomes blocked, draw a card.

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