When Strongarm Thug enters, you may return target Mercenary card from your graveyard to your hand.

Each player loses 1 life for each creature they control.

Shadow (This creature can block or be blocked by only creatures with shadow.)

Whenever Stronghold Rats deals combat damage to a player, each player discards a card.

Flying

Stronghold Zeppelin can block only creatures with flying.

Target opponent reveals their hand. That player exiles a card from it, then you exile a card from it. Repeat this process until all cards in that hand have been exiled. That player returns the cards they exiled this way to their hand and puts the rest into their graveyard.

Whenever Stubborn Burrowfiend becomes saddled for the first time each turn, mill two cards, then Stubborn Burrowfiend gets +X/+X until end of turn, where X is the number of creature cards in your graveyard.

Saddle 2 (Tap any number of other creatures you control with total power 2 or more: This Mount becomes saddled until end of turn. Saddle only as a sorcery.)

When Student of Elements has flying, flip it.

Target creature you control deals damage equal to its power to target creature or planeswalker you don't control.

Enchant creature

When Stupefying Touch enters, draw a card.

Enchanted creature's activated abilities can't be activated.

Sturdy Hatchling enters with four -1/-1 counters on it.

: Sturdy Hatchling gains shroud until end of turn. (It can't be the target of spells or abilities.)

Whenever you cast a green spell, remove a -1/-1 counter from Sturdy Hatchling.

Whenever you cast a blue spell, remove a -1/-1 counter from Sturdy Hatchling.

Flying

When Subjugator Angel enters, tap all creatures your opponents control.

Submerged Boneyard enters tapped.

: Add or .

Tap one or two target creatures an opponent controls. Put a stun counter on each of them. (If a permanent with a stun counter would become untapped, remove one from it instead.)

Vigilance

Ward (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays .)

When Su-Chi Cave Guard dies, add eight . Until end of turn, you don't lose this mana as steps and phases end.

Split second (As long as this spell is on the stack, players can't cast spells or activate abilities that aren't mana abilities.)

Target player sacrifices a creature.

Draw a card for each different mana value among nonland cards in your graveyard.

The owner of target spell or nonland permanent puts it on the top or bottom of their library.

Exile X target cards from target player's graveyard. For each card exiled this way, that player loses 1 life and you gain 1 life.

Cast this spell only if you were dealt damage this turn by a red instant or sorcery spell.

Suffocation deals 4 damage to the controller of the last red instant or sorcery spell that dealt damage to you this turn.

Draw a card at the beginning of the next turn's upkeep.

Trample

Sulam Djinn gets -2/-2 as long as green is the most common color among all permanents or is tied for most common.

Sulfurous Blast deals 2 damage to each creature and each player. If you cast this spell during your main phase, Sulfurous Blast deals 3 damage to each creature and each player instead.

Whenever a creature you control with toughness 4 or greater dies, you gain 4 life.

Sumala Rumblers's power is equal to the number of creatures you control.

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.)

You may play up to three additional lands this turn.

Create two 1/1 blue Merfolk Wizard creature tokens.

Tap four untapped Merfolk you control: Return Summon the School from your graveyard to your hand.

Horsemanship (This creature can't be blocked except by creatures with horsemanship.)

When Sun Ce, Young Conquerer enters, you may return target creature to its owner's hand.

: Add .

: Add one mana of any color.

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

Sunblade Elf gets +1/+1 as long as you control a Plains.

: Creatures you control get +1/+1 until end of turn.

Enchant creature

Enchanted creature has "Whenever you gain life, put that many +1/+1 counters on this creature."

Sunder Shaman can't be blocked by more than one creature.

Whenever Sunder Shaman deals combat damage to a player, destroy target artifact or enchantment that player controls.

Whenever you crank Sundering Fork, destroy target artifact.

, , Sacrifice Sungrass Egg: Add . Draw a card.

: Creatures you control get +1/+0 until end of turn.

: Create a 1/1 red and white Soldier creature token with haste.

: Add .

, : Target creature gains double strike until end of turn.

Enchant land

Enchanted land has ": Counter target spell unless its controller pays ."

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

When Sunscape Battlemage enters, if it was kicked with its kicker, destroy target creature with flying.

When Sunscape Battlemage enters, if it was kicked with its kicker, draw two cards.

At the beginning of your end step, if you control a creature with power 5 or greater, you may gain 2 life.

: Add .

If an opponent has more life than you, you gain 4 life.

If an opponent controls more creatures than you, create two 1/1 white Human creature tokens.

If an opponent has more cards in hand than you, draw a card.

Trample

When Super Mutant Scavenger enters or dies, return up to one target Aura or Equipment card from your graveyard to your hand.

Superior Numbers deals damage to target creature equal to the number of creatures you control in excess of the number of creatures target opponent controls.

When Supply Runners enters, put a +1/+1 counter on each other creature you control.

Activated abilities cost more to activate unless they're mana abilities.

Choose one —

• Counter target spell unless its controller pays .

• Look at the top four cards of your library. Put one of them into your hand and the rest on the bottom of your library in any order.

Suq'Ata Firewalker can't be the target of red spells or abilities from red sources.

: Suq'Ata Firewalker deals 1 damage to any target.

Equipped creature has first strike and ", Unattach Surestrike Trident: This creature deals damage equal to its power to target player or planeswalker."

Equip (: Attach to target creature you control. Equip only as a sorcery. This card enters unattached and stays on the battlefield if the creature leaves.)

Surge Node enters with six charge counters on it.

, , Remove a charge counter from Surge Node: Put a charge counter on target artifact.

Destroy target black or red creature that's attacking or blocking. You gain 2 life.

As an additional cost to cast this spell, discard a red or green card.

Target creature gains trample and gets +X/+0 until end of turn, where X is that creature's mana value.

Cast this spell only during combat.

You may put a nonwhite creature card from your hand onto the battlefield. At the beginning of the next end step, return that creature to your hand. (Return it only if it's on the battlefield.)