Name: Sejiri Shelter Cost: 1W Type: Instant Rules Text: Target creature you control gains protection from the color of your choice until end of turn. [Front face. Related to Sejiri Glacier.] Set/Rarity: Zendikar Rising uncommon, Pioneer Masters common Price: $2.57

Name: Sejiri Steppe Type: Land Rules Text: This land enters tapped. When this land enters, target creature you control gains protection from the color of your choice until end of turn. {T}: Add {W}. Set/Rarity: Worldwake common, Duel Decks: Knights vs. Dragons common Price: $0.30

Name: Selective Obliteration Cost: 3CC Type: Sorcery Rules Text: Each player chooses a color. Then exile each permanent unless it's colorless or it's only the color its controller chose. Set/Rarity: Modern Horizons 3 Commander rare Price: $2.40

Name: Selenia, Dark Angel Cost: 3WB Type: Legendary Creature -- Phyrexian Angel Pow/Tgh: 3/3 Rules Text: Flying Pay 2 life: Return Selenia to its owner's hand. Set/Rarity: Tempest rare, Tempest Remastered rare Price: $5.38

Name: Self-Assembler Cost: 5 Type: Artifact Creature -- Assembly-Worker Pow/Tgh: 4/4 Rules Text: When this creature enters, you may search your library for an Assembly-Worker creature card, reveal it, put it into your hand, then shuffle. Set/Rarity: Kaladesh common, Masters 25 common, Kaladesh Remastered common, The Brothers' War Retro Artifacts uncommon, Jumpstart 2022 common Price: $0.04

Name: Self-Inflicted Wound Cost: 1B Type: Sorcery Rules Text: Target opponent sacrifices a green or white creature of their choice. If that player does, they lose 2 life. Set/Rarity: Dragons of Tarkir uncommon Price: $0.07

Name: Selfless Cathar Cost: W Type: Creature -- Human Cleric Pow/Tgh: 1/1 Rules Text: {1}{W}, Sacrifice this creature: Creatures you control get +1/+1 until end of turn. Set/Rarity: Innistrad common, Magic 2015 common, Jumpstart: Historic Horizons common Price: $0.04

Name: Selfless Exorcist Cost: 3WW Type: Creature -- Human Cleric Pow/Tgh: 3/4 Rules Text: {T}: Exile target creature card from a graveyard. That card deals damage equal to its power to this creature. Set/Rarity: Judgment rare Price: $0.21

Name: Selfless Glyphweaver Cost: 2W Type: Creature -- Human Cleric Pow/Tgh: 2/3 Rules Text: Exile this creature: Creatures you control gain indestructible until end of turn. [Front face. Related to Deadly Vanity.] Set/Rarity: Magic Online Promos rare, Strixhaven: School of Mages rare, Strixhaven: School of Mages Promos rare Price: $0.31

Name: Selfless Police Captain Cost: 1W Type: Creature -- Human Detective Pow/Tgh: 1/1 Rules Text: This creature enters with a +1/+1 counter on it. When this creature leaves the battlefield, put its +1/+1 counters on target creature you control. Set/Rarity: Through the Omenpaths common, Marvel's Spider-Man common, Marvel Super Heroes Commander common Price: $0.09

Name: Selfless Samurai Cost: 1W Type: Creature -- Fox Samurai Pow/Tgh: 2/2 Rules Text: Whenever a Samurai or Warrior you control attacks alone, it gains lifelink until end of turn. Sacrifice this creature: Another target creature you control gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.) Set/Rarity: Kamigawa: Neon Dynasty uncommon Price: $0.20

Name: Selfless Savior Cost: W Type: Creature -- Dog Pow/Tgh: 1/1 Rules Text: Sacrifice this creature: Another target creature you control gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.) Set/Rarity: Secret Lair Drop rare, Core Set 2021 uncommon Price: $0.40

Name: Selfless Spirit Cost: 1W Type: Creature -- Spirit Cleric Pow/Tgh: 2/1 Rules Text: Flying Sacrifice this creature: Creatures you control gain indestructible until end of turn. Set/Rarity: Eldritch Moon rare, Eldritch Moon Promos rare, The List rare, Commander Legends: Battle for Baldur's Gate rare, Regional Championship Qualifiers 2022 rare, Jumpstart 2022 rare, Shadows over Innistrad Remastered rare, Bloomburrow Commander rare, Tarkir: Dragonstorm Commander rare, Secrets of Strixhaven Commander rare Price: $0.42

Name: Selfless Squire Cost: 3W Type: Creature -- Human Soldier Pow/Tgh: 1/1 Rules Text: Flash When this creature enters, prevent all damage that would be dealt to you this turn. Whenever damage that would be dealt to you is prevented, put that many +1/+1 counters on this creature. Set/Rarity: Commander 2016 rare, Treasure Chest rare, Commander 2021 rare, Tales of Middle-earth Commander rare, Murders at Karlov Manor Commander rare Price: $0.36

Name: Seller of Songbirds Cost: 2W Type: Creature -- Human Pow/Tgh: 1/2 Rules Text: When this creature enters, create a 1/1 white Bird creature token with flying. Set/Rarity: Return to Ravnica common, Jumpstart 2022 common, Ravnica: Clue Edition common Price: $0.07

Name: Semblance Anvil Cost: 3 Type: Artifact Rules Text: Imprint -- When this artifact enters, you may exile a nonland card from your hand. Spells you cast that share a card type with the exiled card cost {2} less to cast. Set/Rarity: Scars of Mirrodin rare, The Brothers' War Retro Artifacts rare Price: $4.33

Name: Semester's End Cost: 3W Type: Instant Rules Text: Exile any number of target creatures and/or planeswalkers you control. At the beginning of the next end step, return each of them to the battlefield under its owner's control. Each of them enters with an additional +1/+1 counter on it if it's a creature and an additional loyalty counter on it if it's a planeswalker. Set/Rarity: Magic Online Promos rare, Strixhaven: School of Mages rare, Strixhaven: School of Mages Promos rare, March of the Machine Commander rare, Commander Masters rare Price: $0.70

Name: Send in the Pest Cost: 1B Type: Sorcery Rules Text: Each opponent discards a card. You create a 1/1 black and green Pest creature token with "Whenever this token attacks, you gain 1 life." Set/Rarity: The List common, Secrets of Strixhaven common Price: $0.22

Name: Sengir Autocrat Cost: 3B Type: Creature -- Human Pow/Tgh: 2/2 Rules Text: When this creature enters, create three 0/1 black Serf creature tokens. When this creature leaves the battlefield, exile all Serf tokens. Set/Rarity: Homelands uncommon, Fifth Edition rare, Classic Sixth Edition rare, Time Spiral Timeshifted special, Eternal Masters uncommon, The List uncommon Price: $0.27

Name: Sengir Bats Cost: 1BB Type: Creature -- Bat Pow/Tgh: 1/2 Rules Text: Flying Whenever a creature dealt damage by this creature this turn dies, put a +1/+1 counter on this creature. Set/Rarity: Homelands common Price: $0.15