Affinity for artifacts (This spell costs less to cast for each artifact you control.)

Whenever an artifact you control enters, untap Steelfin Whale.

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

Forecast — , Reveal Steeling Stance from your hand: Target creature gets +1/+1 until end of turn. (Activate only during your upkeep and only once each turn.)

At the beginning of your end step, create a 1/1 red Human creature token. Then if you control exactly thirteen permanents, you may sacrifice Stensia Uprising. When you do, it deals 7 damage to any target.

When Sterling Hound enters, surveil 2. (Look at the top two cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.)

Flying

When Sterling Supplier enters, put a +1/+1 counter on another target creature you control.

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.

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

At the beginning of each combat, untap equipped creature.

Equipped creature has first strike as long as it's blocking or blocked by a Goblin or Orc.

Equip

Flying, trample

Stingerback Terror gets -1/-1 for each card in your hand.

Plot (You may pay and exile this card from your hand. Cast it as a sorcery on a later turn without paying its mana cost. Plot only as a sorcery.)

Defender (This creature can't attack.)

, : Stinging Barrier deals 1 damage to any target.

Toxic 1 (Players dealt combat damage by this creature also get a poison counter.)

When Stinging Hivemaster dies, create a 1/1 colorless Phyrexian Mite artifact creature token with toxic 1 and "This creature can't block."

Whenever you cast your first spell during each opponent's turn, you may tap or untap target nonland permanent.

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

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

Stingmoggie enters with two +1/+1 counters on it.

, Remove a +1/+1 counter from Stingmoggie: Destroy target artifact or land.

Prowl (You may cast this for its prowl cost if you dealt combat damage to a player this turn with a Goblin or Rogue.)

Whenever a Rogue you control attacks and isn't blocked, it gets +2/+1 until end of turn.

Flying

Whenever Stinkweed Imp deals combat damage to a creature, destroy that creature.

Dredge 5 (If you would draw a card, you may mill five cards instead. If you do, return this card from your graveyard to your hand.)

Defender

When Stirring Bard enters, you take the initiative.

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

Flip a coin. If you win the flip, take an extra turn after this one.

Whenever you put one or more +1/+1 counters on a creature you control, put a supply counter on Stocking the Pantry.

, Remove a supply counter from Stocking the Pantry: Draw a card.

Flash

Flying

Stoic Sphinx has hexproof as long as you haven't cast a spell this turn.

Stolen Grain deals 5 damage to target opponent or planeswalker. You gain 5 life.

Reveal the top seven cards of your library, then put those cards on the bottom of your library in any order. If a card named Stomping Slabs was revealed this way, Stomping Slabs deals 7 damage to any target.

Whenever one or more cards are put into exile during your turn, put a +1/+1 counter on Stonebinder's Familiar. This ability triggers only once each turn.

Flash

Enchant creature

Enchanted creature gets +0/+10.

Flying

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

When you next cast an instant or sorcery spell this turn, copy that spell X times. You may choose new targets for the copies.

, Discard a card at random: Stormbind deals 2 damage to any target.

Flying, first strike

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.)

When Stormwing Dragon is turned face up, put a +1/+1 counter on each other Dragon creature you control.

Trample

Whenever Storrev, Devkarin Lich deals combat damage to a player or planeswalker, return to your hand target creature or planeswalker card in your graveyard that wasn't put there this combat.

Enchant creature or planeswalker an opponent controls

At the beginning of your upkeep, enchanted permanent's controller sacrifices a nonland permanent, then that player loses 1 life.

Target creature gets -3/-3 until end of turn.

Commander creatures you own have ", Sacrifice another creature or an artifact: This creature deals 1 damage to any target."

Whenever equipped creature attacks, roll a six-sided die. That creature gets +X/+0 until end of turn, where X is the result. Then if it has the greatest power or is tied for greatest power among creatures on the battlefield, draw a card.

Equip

Return target creature to its owner's hand. Then that creature's controller may pay . If the player does, they may copy this spell and may choose a new target for that copy.

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

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

, Sacrifice a creature: Destroy target nonblack creature.

, , Discard a card: Counter target noncreature spell.

When this creature enters,

exile target creature card with mana value 2 or less from your graveyard. If it has augment, combine it with a host you control. Otherwise, put it onto the battlefield.

The next time you would lose the game this turn, instead draw seven cards and your life total becomes 1.

Exile Stunning Reversal.

Enchant creature

When Stupefying Touch enters, draw a card.

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

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

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

Until end of turn, creatures target player controls lose all abilities and have base power and toughness 0/2.

Counter target spell and Suffocating Blast deals 3 damage to target creature.

Trample

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

: Create a 2/2 colorless Pincher creature token.

Whenever an artifact is put into a graveyard from the battlefield, you may untap Summoning Station.

Vigilance (Attacking doesn't cause this creature to tap.)

Whenever you cast a spell from your hand, reveal the top X cards of your library, where X is that spell's mana value. You may cast a spell with mana value X or less from among cards revealed this way without paying its mana cost. Put the rest on the bottom of your library in a random order.

Destroy target artifact or land.

Whenever you crank Sundering Fork, destroy target artifact.

Sundering Stroke deals 7 damage divided as you choose among one, two, or three targets. If at least seven red mana was spent to cast this spell, instead Sundering Stroke deals 7 damage to each of those permanents and/or players.