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

Search target player's library for up to three cards, exile them, then that player shuffles. If this spell was kicked, instead search that player's library for up to fifteen cards, exile them, then that player shuffles.

Menace

At the beginning of your end step, if you have the initiative, create a Treasure token. Create three of those tokens instead if you've completed a dungeon.

Choose a Background (You can have a Background as a second commander.)

Prevent all damage that would be dealt to you and creatures you control this turn.

Whenever you cast a green spell, Safehold Duo gets +1/+1 until end of turn.

Whenever you cast a white spell, Safehold Duo gains vigilance until end of turn.

, : Safehold Sentry gets +0/+2 until end of turn. ( is the untap symbol.)

Sacrifice Saffi Eriksdotter: When target creature is put into your graveyard this turn, return that card to the battlefield.

Sage of Ancient Lore's power and toughness are each equal to the number of cards in your hand.

When Sage of Ancient Lore enters, draw a card.

At the beginning of each upkeep, if no spells were cast last turn, transform Sage of Ancient Lore.

When Sage of Epityr enters, look at the top four cards of your library, then put them back in any order.

Heroic — Whenever you cast a spell that targets Sage of Hours, put a +1/+1 counter on it.

Remove all +1/+1 counters from Sage of Hours: For each five counters removed this way, take an extra turn after this one.

Constellation — Whenever an enchantment you control enters, target player mills two cards.

Flying

Spells you cast from anywhere other than your hand cost less to cast.

Foretell (During your turn, you may pay and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)

Flying

Whenever you cast a noncreature spell, creatures you control gain lifelink until end of turn.

: Add . Spend this mana only to cast a colorless spell or to activate an ability.

Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)

Whenever Sage-Eye Avengers attacks, you may return target creature to its owner's hand if its power is less than Sage-Eye Avengers's power.

Counter target spell unless its controller pays . If you control a Wizard, draw a card.

If you would draw a card, instead reveal the top three cards of your library. Put all creature cards revealed this way into your hand and the rest on the bottom of your library in any order.

Whenever another blue creature you control enters, target player mills two cards.

Destroy target creature with flying. Sagittars' Volley deals 1 damage to each creature with flying your opponents control.

Trample, hexproof

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

+1: Scry 1. You may tap an untapped artifact you control. If you do, draw a card.

−2: Create two 1/1 colorless Thopter artifact creature tokens with flying. They gain haste until end of turn.

−4: You get an emblem with "Artifact creatures you control get +1/+1" and "Artifact spells you cast cost less to cast."

+1: Create a 1/1 colorless Servo artifact creature token.

+1: The next spell you cast this turn costs less to cast for each artifact you control as you cast it.

−7: For each artifact you control, create a token that's a copy of it. Those tokens gain haste. Exile those tokens at the beginning of the next end step.

Saheeli, the Gifted can be your commander.

Choose one or both —

• Create a token that's a copy of target artifact.

• Create a token that's a copy of target creature, except it's an artifact in addition to its other types.

When Saheeli's Lattice enters, you may discard a card. If you do, draw two cards.

Craft with one or more Dinosaurs (, Exile this artifact, Exile one or more Dinosaurs you control and/or Dinosaur cards from your graveyard: Return this card transformed under its owner's control. Craft only as a sorcery.)

Equipped creature gets +1/+1.

Whenever a creature you control enters, you may attach Sai of the Shinobi to it.

Equip

Flash

Backup 1 (When this creature enters, put a +1/+1 counter on target creature. If that's another creature, it gains the following ability until end of turn.)

Hexproof

Channel — , Discard Saiba Trespassers: Tap up to two target creatures you don't control. Those creatures don't untap during their controller's next untap step.

Will of the council — Starting with you, each player votes for return or embark. If return gets more votes, each player returns up to two cards from their graveyard to their hand, then you exile Sail into the West. If embark gets more votes or the vote is tied, each player may discard their hand and draw seven cards.

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

Whenever Saint Traft and Rem Karolus becomes tapped, create a 1/1 red Human creature token if this is the first time this ability has resolved this turn. If it's the second time, create a 1/1 blue Spirit creature token with flying. If it's the third time, create a 4/4 white Angel creature token with flying.

Whenever you cast a spell that has convoke, untap Saint Traft and Rem Karolus.

You may have Sakashima the Impostor enter as a copy of any creature on the battlefield, except its name is Sakashima the Impostor, it's legendary in addition to its other types, and it has ": Return this creature to its owner's hand at the beginning of the next end step."

Ninjutsu (, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.)

You may have Sakashima's Student enter as a copy of any creature on the battlefield, except it's a Ninja in addition to its other creature types.

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.

: You may put a land card from your hand onto the battlefield.

Whenever an artifact you control enters, Salivating Gremlins gets +2/+0 and gains trample until end of turn.

Salt Flats enters tapped.

: Add .

: Add or . Salt Flats deals 1 damage to you.

Whenever another permanent you control is turned face up, if it's a creature, put two +1/+1 counters on it.

Megamorph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its megamorph cost and put a +1/+1 counter on it.)

Salt Road Quartermasters enters with two +1/+1 counters on it.

, Remove a +1/+1 counter from Salt Road Quartermasters: Put a +1/+1 counter on target creature.

: Add .

, : Put a storage counter on Saltcrusted Steppe.

, Remove X storage counters from Saltcrusted Steppe: Add X mana in any combination of and/or .

Whenever another creature enters, exile Saltskitter. Return Saltskitter to the battlefield under its owner's control at the beginning of the next end step.

Put target card from your graveyard on top of your library.

, Sacrifice Salvage Scout: Return target artifact card from your graveyard to your hand.

Salvage Slasher gets +1/+0 for each artifact card in your graveyard.

: Add one mana of any color. Activate only once each turn.

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

Flying, vigilance, trample

Whenever you attack, other creatures you control get +2/+2 and gain indestructible until end of turn.

Unearth—Pay eight . (Pay eight energy counters: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)

Partner with Frodo, Adventurous Hobbit (When this creature enters, target player may put Frodo into their hand from their library, then shuffle.)

At the beginning of combat on your turn, create a Food token. (It's an artifact with ", , Sacrifice this artifact: You gain 3 life.")

Activated abilities of Foods you control cost less to activate.

: Prevent the next 1 damage that would be dealt to any target this turn.

: Samite Archer deals 1 damage to any target.

, Sacrifice Samite Censer-Bearer: Prevent the next 1 damage that would be dealt to each creature you control this turn.

: Prevent the next 1 damage that would be dealt to any target this turn.

Prevent all damage that would be dealt to you this turn by a source of your choice. Whenever damage from a black or red source is prevented this way this turn, you gain that much life.