Trample

At the beginning of combat on your turn, bolster X, where X is the number of differently named artifact tokens you control. (Choose a creature with the least toughness among creatures you control and put X +1/+1 counters on it.)

First strike (This creature deals combat damage before creatures without first strike.)

: Sandstone Warrior gets +1/+0 until end of turn.

Target creature gets +3/+3 and gains double strike until end of turn.

When Sanguine Glorifier enters the battlefield, put a +1/+1 counter on another target Vampire you control.

Chroma — Reveal the top ten cards of your library. For each blue mana symbol in the mana costs of the revealed cards, target opponent mills a card. Then put the cards you revealed this way on the bottom of your library in any order.

At the beginning of each player's end step, if no permanents left the battlefield this turn, that player loses X life, where X is Sarevok's power.

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

Whenever an artifact enters the battlefield under your control, look at the top card of your library. If it's a land card, you may reveal it and put it into your hand. If you don't put the card into your hand, you may put it into your graveyard.

Counter target spell.

Amass Orcs 1. (Put a +1/+1 counter on an Army you control. It's also an Orc. If you don't control an Army, create a 0/0 black Orc Army creature token first.)

When you cast this spell, amass Orcs 5, mill five cards, then return a creature card from your graveyard to the battlefield.

Trample

Whenever a commander an opponent controls dies, the Ring tempts you.

(: Add , , or .)

Savai Triome enters the battlefield tapped.

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

Flash

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

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

When Scampering Surveyor enters the battlefield, search your library for a basic land card or Cave card, put it onto the battlefield tapped, then shuffle.

As an additional cost to cast this spell, put a -1/-1 counter on a creature you control.

Draw two cards.

Scene of the Crime enters the battlefield tapped.

: Add .

, Tap an untapped creature you control: Add one mana of any color.

, Sacrifice Scene of the Crime: Draw a card.

Scholar of New Horizons enters the battlefield with a +1/+1 counter on it.

, Remove a counter from a permanent you control: Search your library for a Plains card and reveal it. If an opponent controls more lands than you, you may put that card onto the battlefield tapped. If you don't put the card onto the battlefield, put it into your hand. Then shuffle.

Scoria Cat gets +3/+3 as long as you control no untapped lands.

At the beginning of your upkeep, flip a coin. If you lose the flip, return Scoria Wurm to its owner's hand.

Scouring Sands deals 1 damage to each creature your opponents control. Scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)

: Exile the top card of target player's library. If it's a land card, you gain 1 life.

Landfall — Whenever a land enters the battlefield under your control, you may untap Scrib Nibblers.

When Scrivener enters the battlefield, you may return target instant card from your graveyard to your hand.

, : Draw a card if you have seven or more cards in hand.

Reach

Scurrid Colony gets +2/+2 as long as you control eight or more lands.

Flying, protection from red

Seafloor Debris enters the battlefield tapped.

: Add .

, Sacrifice Seafloor Debris: Add one mana of any color.

Searing Barb deals 2 damage to any target. If it's a creature, it can't block this turn. Incubate 1. (Create an Incubator token with a +1/+1 counter on it and ": Transform this artifact." It transforms into a 0/0 Phyrexian artifact creature.)

Searing Blaze deals 1 damage to target player or planeswalker and 1 damage to target creature that player or that planeswalker's controller controls.

Landfall — If you had a land enter the battlefield under your control this turn, Searing Blaze deals 3 damage to that player or planeswalker and 3 damage to that creature instead.

Searing Flesh deals 7 damage to target opponent or planeswalker.

Whenever you gain life, you may pay . If you do, Searing Meditation deals 2 damage to any target.

Searing Spear deals 3 damage to any target.

Buyback (You may pay an additional as you cast this spell. If you do, put this card into your hand as it resolves.)

Searing Touch deals 1 damage to any target.

Whenever Seascape Aerialist or another Ally enters the battlefield under your control, you may have Ally creatures you control gain flying until end of turn.

Enchant creature or planeswalker you don't control

When Seatower Imprisonment enters the battlefield, conjure a card named Soldiers of the Watch onto the battlefield.

Enchanted permanent can't attack or block, and its activated abilities can't be activated.

Squad (As an additional cost to cast this spell, you may pay any number of times. When this creature enters the battlefield, create that many tokens that are copies of it.)

Vigilance

Whenever a creature token enters the battlefield under your control, put a +1/+1 counter on it.

Enchant creature

As long as enchanted creature is attacking alone, it can't be blocked.

Enchanted creature has "Whenever this creature deals combat damage to a player, it connives." (Its controller draws a card, then discards a card. If they discarded a nonland card, they put a +1/+1 counter on this creature.)

You may pay rather than pay this spell's mana cost. Spend only mana produced by Treasures to cast it this way.

Reveal the top eight cards of your library. You may put a creature card from among them onto the battlefield. Put the rest into your graveyard.

Ferocious — If you control a creature with power 4 or greater, you may put two creature cards onto the battlefield instead of one.

Mill seven cards. Then put all cards that have an Adventure from among the milled cards into your hand.

Seismic Strike deals damage to target creature equal to the number of Mountains you control.

As long as you control a Plains, Sejiri Merfolk has first strike and lifelink. (Damage dealt by a creature with lifelink also causes its controller to gain that much life.)

Target creature you control gains protection from the color of your choice until end of turn.

Flying

Sacrifice Selfless Spirit: Creatures you control gain indestructible until end of turn.

Flying

: Senate Courier gains vigilance until end of turn.

Enchant creature

Enchanted creature gets -3/-0.

Intimidate (This creature can't be blocked except by artifact creatures and/or creatures that share a color with it.)

When Sepulchral Primordial enters the battlefield, for each opponent, you may put up to one target creature card from that player's graveyard onto the battlefield under your control.

When Serpent Warrior enters the battlefield, you lose 3 life.

Heroic — Whenever you cast a spell that targets Setessan Battle Priest, you gain 2 life.

Flanking <I>(Whenever a creature without flanking blocks this creature, the blocking creature gets -1/-1 until end of turn.)</I>

, : Add .

Flying, double strike

At the beginning of combat on your turn, you may choose two. Each mode must target a different player.

• Target player creates a 2/1 white and black Inkling creature token with flying.

• Target player draws a card and loses 1 life.

• Target player puts a +1/+1 counter on each creature they control.

: Shambling Strider gets +1/-1 until end of turn.