Whenever you cast your second spell each turn, exile the top card of your library. Until the end of your next turn, you may play that card.

: Copy target instant or sorcery spell you control. You may choose new targets for the copy. Activate only if you've cast three or more spells this turn.

: Add .

, : Stensia Bloodhall deals 2 damage to target player or planeswalker.

Flying, vigilance

: Target creature with a +1/+1 counter on it gains flying and vigilance until end of turn.

, : Tap target non-Mount creature.

: Each player loses 1 life for each Swamp they control.

: Target creature gets +2/+2 until end of turn. Activate only during your turn, before attackers are declared.

Flying

Whenever Stet, Draconic Proofreader attacks, you may exile a card from your graveyard. When you do, Stet, Draconic Proofreader deals 4 damage to any target whose name begins with the same letter as the exiled card.

: Delete the first letter of target permanent or player's name until end of turn.

, Exert Steward of Solidarity: Create a 1/1 white Warrior creature token with vigilance. (An exerted creature won't untap during your next untap step.)

Enchant creature

Enchanted creature has menace and "Whenever this creature deals combat damage to a player, create a Treasure token." (It can't be blocked except by two or more creatures. The token is an artifact with ", Sacrifice this artifact: Add one mana of any color.")

When enchanted creature dies, draw a card.

Protection from white and from black

: Stillmoon Cavalier gains flying until end of turn.

: Stillmoon Cavalier gains first strike until end of turn.

: Stillmoon Cavalier gets +1/+0 until end of turn.

Defender (This creature can't attack.)

, : Stinging Barrier deals 1 damage to any target.

Put three -1/-1 counters on target creature with flying.

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

Create three 2/2 black Zombie creature tokens.

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

When you cycle Stir the Sands, create a 2/2 black Zombie creature token.

Defender

When Stirring Bard enters, you take the initiative.

Mantle of Inspiration — : Target creature gains menace and haste until end of turn.

, : Each player mills three cards. Exile up to two creature cards put into graveyards this way. Create an X/X blue Zombie creature token, where X is the total power of the cards exiled this way.

Flying

, Discard two cards: Return Stitchwing Skaab from your graveyard to the battlefield tapped.

(: Add or .)

As Stomping Ground enters, you may pay 2 life. If you don't, it enters tapped.

: Target creature you control with toughness less than Stone Giant's power gains flying until end of turn. Destroy that creature at the beginning of the next end step.

Whenever a creature you control attacks, you get (an energy counter).

, Pay six : Create a 6/12 colorless Construct artifact creature token with trample. Activate only as a sorcery.

If a creature an opponent controls would die, exile it instead.

, , Sacrifice Stone of Erech: Exile target player's graveyard. Draw a card.

When Stone Retrieval Unit enters, create a tapped Powerstone token. (It's an artifact with ": Add . This mana can't be spent to cast a nonartifact spell.")

Cohort — , Tap an untapped Ally you control: Look at the top four cards of your library. You may reveal an Equipment card from among them and put it into your hand. Put the rest on the bottom of your library in any order.

Enchant creature

Enchanted creature gets +0/+2.

: Enchanted creature gets +1/+0 until end of turn.

: Stonehorn Chanter gains vigilance and lifelink until end of turn. (Attacking doesn't cause it to tap. Damage dealt by it also causes you to gain that much life.)

Landfall — Whenever a land you control enters, untap Stone-Seeder Hierophant.

: Untap target land.

: Add .

, , Sacrifice Stonespeaker Crystal: Exile any number of target players' graveyards. Draw a card.

: Stonewood Invoker gets +5/+5 until end of turn.

Soulbond (You may pair this creature with another unpaired creature when either enters. They remain paired for as long as you control both of them.)

As long as Stonewright is paired with another creature, each of those creatures has ": This creature gets +1/+0 until end of turn."

Flying

, Exile the top card of your library: Tap target creature with flying.

, Exile the top card of your library: If the exiled card is a snow land, Storm Elemental gets +1/+1 until end of turn.

: Tap target creature with flying.

: Storm Shaman gets +1/+0 until end of turn.

Whenever one or more creatures you control deal combat damage to a player, create a Treasure token. (It's an artifact with ", Sacrifice this artifact: Add one mana of any color.")

At the beginning of your end step, if you control five or more artifacts, transform Storm the Vault.

Flying, haste, protection from white

: Monstrosity 3. (If this creature isn't monstrous, put three +1/+1 counters on it and it becomes monstrous.)

When Stormbreath Dragon becomes monstrous, it deals damage to each opponent equal to the number of cards in that player's hand.

Sacrifice Stormcaller's Boon: Creatures you control gain flying until end of turn.

Cascade (When you cast this 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.)

Flying

: Scry 1, then reveal the top card of your library. Stormchaser Chimera gets +X/+0 until end of turn, where X is that card's mana value. (To scry 1, look at the top card of your library, then you may put that card on the bottom.)

, Sacrifice another creature or artifact: Put a +1/+1 counter on Stormclaw Rager and draw a card. Activate only as a sorcery.

, Discard a card at random: Stormscale Anarch deals 2 damage to any target. If the discarded card was multicolored, Stormscale Anarch deals 4 damage instead.

, : Target creature gains protection from the color of your choice until end of turn.

, : Target player loses 2 life and you gain 2 life.

As Story Circle enters, choose a color.

: The next time a source of your choice of the chosen color would deal damage to you this turn, prevent that damage.

Enchant creature

When Strands of Undeath enters, target player discards two cards.

: Regenerate enchanted creature.

Vigilance, trample

Grenades — , , Sacrifice an artifact: Choose a player at random. When you do, Strax fights another target creature that player controls.

Glory of Battle — Whenever Strax deals damage to a creature, put a +1/+1 counter on Strax.

: Target Merfolk creature gets +1/+1 and gains islandwalk until end of turn. (It can't be blocked as long as defending player controls an Island.)

: Target land becomes an Island until end of turn.

Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.)

Cycling—Pay 2 life. (Pay 2 life, Discard this card: Draw a card.)

Equipped creature gets +1/+1 and has haste.

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

, : Copy target triggered ability you control. You may choose new targets for the copy. (A triggered ability uses the words "when," "whenever," or "at.")

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

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

: Add . Put a point counter on Strixhaven Stadium.

Whenever a creature deals combat damage to you, remove a point counter from Strixhaven Stadium.

Whenever a creature you control deals combat damage to an opponent, put a point counter on Strixhaven Stadium. Then if it has ten or more point counters on it, remove them all and that player loses the game.

Protection from white

: Stromgald Crusader gains flying until end of turn.

: Stromgald Crusader gets +1/+0 until end of turn.

, Sacrifice a creature: Destroy target nonblack creature.

, , Discard a card: Counter target noncreature spell.