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

Whenever a creature you control deals combat damage to a player, add that much . Until end of turn, you don't lose this mana as steps and phases end.

When Salvager of Secrets enters, return target instant or sorcery card from your graveyard to your hand.

First strike, vigilance, haste

Whenever a creature you control deals combat damage to a player, if that creature entered this turn, draw a card.

Whenever another creature you control enters, Sanctifier of Souls gets +1/+1 until end of turn.

, Exile a creature card from your graveyard: Create a 1/1 white Spirit creature token with flying.

At the beginning of your first main phase, you may draw X cards, where X is the number of Shrines you control. If you do, discard a card.

At the beginning of your first main phase, add X mana of any one color, where X is the number of Shrines you control.

At the beginning of your first main phase, each opponent loses X life and you gain X life, where X is the number of Shrines you control.

: Tap target creature. This ability costs less to activate for each Shrine you control.

, : Target creature gains islandwalk until end of turn. When that creature dies this turn, destroy Sandals of Abdallah. (A creature with islandwalk can't be blocked as long as defending player controls an Island.)

Each player skips their untap step.

At the beginning of each player's upkeep, that player simultaneously untaps each tapped artifact, creature, and land they control and taps each untapped artifact, creature, and land they control.

Whenever Saradoc, Master of Buckland or another nontoken creature you control with power 2 or less enters, create a 1/1 white Halfling creature token.

Tap two other untapped Halflings you control: Saradoc gets +2/+0 and gains lifelink until end of turn.

: Adapt 4. (If this creature has no +1/+1 counters on it, put four +1/+1 counters on it.)

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

Creatures you control gain first strike until end of turn. If this spell was kicked, they get +1/+1 until end of turn.

Vigilance

Whenever an enchantment you control is put into a graveyard from the battlefield, put a +1/+1 counter on Savior of the Sleeping.

Whenever you sacrifice a black creature, you may pay 2 life. If you do, each other player sacrifices a creature of their choice.

Whenever you sacrifice a green creature, you may gain 2 life.

This spell costs less to cast for each Lizard you control.

Target creature gets +2/+0 and gains lifelink and indestructible until end of turn.

You may exile a white card from your hand rather than pay this spell's mana cost.

Prevent the next 7 damage that would be dealt to any target this turn. If it's a creature, put a +0/+1 counter on it for each 1 damage prevented this way at the beginning of the next end step.

Reveal any number of blue cards in your hand. Counter target spell unless its controller pays for each card revealed this way.

Reveal any number of green cards in your hand. Target creature gets +X/+X until end of turn, where X is the number of cards revealed this way.

Reveal any number of black cards in your hand. Target creature gets -X/-X until end of turn, where X is the number of cards revealed this way.

, : Tap target permanent.

, : Target player discards a card. Activate only during your turn.

: Add one mana of any color.

: Add three mana of any one color. Activate only if you control three or more lands with the same name.

Scholar of New Horizons enters with a +1/+1 counter on it.

, Remove a counter from a permanent you control: Search your library for a Plains card and reveal it. If an opponent controls more lands than you, you may put that card onto the battlefield tapped. If you don't put the card onto the battlefield, put it into your hand. Then shuffle.

When Scholar of the Ages enters, return up to two target instant and/or sorcery cards from your graveyard to your hand.

At the beginning of your upkeep, sacrifice School of Piranha unless you pay .

Myriad (Whenever this creature attacks, for each opponent other than defending player, you may create a token copy that's tapped and attacking that player or a planeswalker they control. Exile the tokens at end of combat.)

Whenever Scion of Calamity deals combat damage to a player, destroy target artifact or enchantment that player controls.

Domain — This spell costs less to cast for each basic land type among lands you control.

Flying

Each creature you control has vigilance if it's white, hexproof if it's blue, lifelink if it's black, first strike if it's red, and trample if it's green.

Commander creatures you own have "The first time you would draw a card each turn, instead look at the top two cards of your library. Put one of them into your graveyard and the other back on top of your library. Then draw a card."

Whenever Scion of Opulence or another nontoken Vampire you control dies, create a Treasure token. (It's an artifact with ", Sacrifice this artifact: Add one mana of any color.")

, Sacrifice two artifacts: Exile the top card of your library. You may play that card this turn.

Flash

Cone of Cold — When Scion of Stygia enters, choose target creature an opponent controls, then roll a d20.

1–9 | Tap that creature.

10–20 | Tap that creature. It doesn't untap during its controller's next untap step.

Flying

: Search your library for a Dragon permanent card and put it into your graveyard. If you do, Scion of the Ur-Dragon becomes a copy of that card until end of turn. Then shuffle.

Flying

When Scourge of Fleets enters, return each creature your opponents control with toughness X or less to its owner's hand, where X is the number of Islands you control.

Flying

: Scourge of Kher Ridges deals 2 damage to each creature without flying.

: Scourge of Kher Ridges deals 6 damage to each other creature with flying.

At the beginning of your upkeep, you lose 2 life if you don't control an Ogre.

Enchant creature

As long as enchanted creature is red, it gets +1/+1 and has ": This creature gets +1/+0 until end of turn."

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.)

Flying

Dethrone (Whenever this creature attacks the player with the most life or tied for most life, put a +1/+1 counter on it.)

Whenever Scourge of the Throne attacks for the first time each turn, if it's attacking the player with the most life or tied for most life, untap all attacking creatures. After this phase, there is an additional combat phase.

, Exile a card from your graveyard: Screams of the Damned deals 1 damage to each creature and each player.

, Sacrifice Scroll of Avacyn: Draw a card. If you control an Angel, you gain 5 life.

, Sacrifice Scroll of Griselbrand: Target opponent discards a card. If you control a Demon, that player loses 3 life.

, : Draw a card if you have seven or more cards in hand.

Lifelink (Damage dealt by this creature also causes you to gain that much life.)

When Scurry of Gremlins enters, create two 1/1 red Gremlin creature tokens. Then you get an amount of (energy counters) equal to the number of creatures you control.

Pay : Creatures you control get +1/+0 and gain haste until end of turn.

Equipped creature gets +2/+2.

Whenever a creature dealt damage by equipped creature this turn dies, return that card to the battlefield under your control. Attach Scythe of the Wretched to that creature.

Equip

Sacrifice Seal of Cleansing: Destroy target artifact or enchantment.

Sacrifice Seal of Fire: It deals 2 damage to any target.

Sacrifice Seal of Removal: Return target creature to its owner's hand.

As Seal of the Guildpact enters, choose two colors.

Each spell you cast costs less to cast for each of the chosen colors it is.