Vigilance

Whenever you cast a creature spell, create a 1/1 red Mercenary creature token with ": Target creature you control gets +1/+0 until end of turn. Activate only as a sorcery."

: Choose a color. Add one mana of that color for each different power among creatures you control.

Whenever another creature enters, its controller may draw a card if its power is greater than each other creature's power.

, : Add X mana in any combination of colors, where X is the greatest power among creatures you control.

Artifacts you control are Clues in addition to their other types and have ", Sacrifice this artifact: Draw a card."

Whenever you sacrifice a Clue, target creature can't be blocked this turn.

Bushido 1 (Whenever this creature blocks or becomes blocked, it gets +1/+1 until end of turn.)

, : Put a training counter on target creature. That creature gains bushido 1 and becomes a Samurai in addition to its other creature types. Activate only as a sorcery.

Flying, vigilance

, Exile Senu, Keen-Eyed Protector: You gain 2 life and scry 2.

When a legendary creature you control attacks and isn't blocked, if Senu is exiled, put it onto the battlefield attacking.

Trample, haste

Share Intelligence — Whenever Sergeant John Benton deals combat damage to a player, you and that player each draw that many cards.

: Add for each enchantment you control.

Whenever Sethron, Hurloon General or another nontoken Minotaur you control enters, create a 2/3 red Minotaur creature token.

: Minotaurs you control get +1/+0 and gain menace and haste until end of turn. ( can be paid with either or .)

Prevent all damage that would be dealt to Sevinne, the Chronoclasm.

Whenever you cast your first instant or sorcery spell from your graveyard each turn, copy that spell. You may choose new targets for the copy.

Horses you control have haste. (They can attack and as soon as they come under your control.)

Whenever Shadowfax, Lord of Horses attacks, you may put a creature card with lesser power from your hand onto the battlefield tapped and attacking.

Equipped creature gets +1/+1 and has trample and lifelink.

: Permanents your opponents control lose hexproof and indestructible until end of turn.

Equip

Whenever Shagrat, Loot Bearer attacks, attach up to one target Equipment to it. Then amass Orcs X, where X is the number of Equipment attached to Shagrat. (Control of the Equipment doesn't change. To amass Orcs X, put X +1/+1 counters 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.)

Flying, vigilance

Whenever one or more +1/+1 counters are put on a creature you control, Shalai and Hallar deals that much damage to target opponent.

Commander creatures you own have ": This creature becomes a copy of another target creature."

Lifelink

At the beginning of your end step, you may pay . If you do, draw X cards. X can't be greater than the amount of life you gained this turn.

Leap Strike — During your turn, Shao Jun has flying and first strike.

Rope Dart — Tap two untapped artifacts you control: Shao Jun deals 1 damage to each opponent.

Activated abilities of lands your opponents control can't be activated unless they're mana abilities.

Sharkey, Tyrant of the Shire has all activated abilities of lands your opponents control except mana abilities.

Mana of any type can be spent to activate Sharkey's abilities.

, Sacrifice a creature: Each other player sacrifices a creature.

, Sacrifice an artifact: Each other player sacrifices an artifact.

, Sacrifice an enchantment: Each other player sacrifices an enchantment.

Vigilance

When Shaun & Rebecca, Agents enters, search your graveyard, hand, and library for a card named The Animus and put it onto the battlefield, then shuffle.

: Add . When you do, mill two cards.

: Permanents your opponents control lose hexproof, indestructible, protection, shroud, and ward until end of turn.

Whenever a creature an opponent controls becomes the target of a spell or ability you control, put a bounty counter on that creature.

Whenever a creature with a bounty counter on it dies, put two +1/+1 counters on Shay Cormac.

Deathtouch, ward

Other Spiders you control have deathtouch and ward .

Whenever another creature dealt damage this turn by a Spider you controlled dies, create a token that's a copy of that creature, except it's a Food artifact with ", , Sacrifice this artifact: You gain 3 life," and it loses all other card types.

Menace

When Sheoldred enters, each opponent sacrifices a nontoken creature or planeswalker.

: Exile Sheoldred, then return it to the battlefield transformed under its owner's control. Activate only as a sorcery and only if an opponent has eight or more cards in their graveyard.

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

At the beginning of your upkeep, return target creature card from your graveyard to the battlefield.

At the beginning of each opponent's upkeep, that player sacrifices a creature.

, Sacrifice a creature: Target creature gets +3/+3 until end of turn.

, , Return Shigeki, Jukai Visionary to its owner's hand: Reveal the top four cards of your library. You may put a land card from among them onto the battlefield tapped. Put the rest into your graveyard.

Channel — , Discard Shigeki: Return X target nonlegendary cards from your graveyard to your hand.

As Shimatsu the Bloodcloaked enters, sacrifice any number of permanents. Shimatsu enters with that many +1/+1 counters on it.

Whenever a creature with power 1 or less is put into your graveyard from the battlefield, you may return that card to the battlefield at the beginning of the next end step if Shirei, Shizo's Caretaker is still on the battlefield.

: Add .

, : Shivan Gorge deals 1 damage to each opponent.

At the beginning of each player's upkeep, that player adds . Until end of turn, they don't lose this mana as steps and phases end.

Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)

Whenever you cast a noncreature spell, you may pay . If you do, target creature gains double strike until end of turn.

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

Whenever Sidar Jabari attacks, tap target creature defending player controls.

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

Creatures your opponents control without flying or reach can't block creatures with power 2 or less.

Partner (You can have two commanders if both have partner.)

Deathtouch

Exploit (When this creature enters, you may sacrifice a creature.)

When Sidisi, Undead Vizier exploits a creature, you may search your library for a card, put it into your hand, then shuffle.

Flying, trample

Humans you control get +1/+1.

Coven — Whenever Sigarda attacks, if you control three or more creatures with different powers, look at the top five cards of your library. You may reveal a Human creature card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

Flying

You and Humans you control have hexproof.

, Exile a card from your graveyard: Create a 1/1 white Human Soldier creature token.

Flash

First strike, protection from God creatures

When Sigrid, God-Favored enters, exile up to one target attacking or blocking creature until Sigrid leaves the battlefield.

Deathtouch

Whenever Silas Renn, Seeker Adept deals combat damage to a player, choose target artifact card in your graveyard. You may cast that card this turn.

Partner (You can have two commanders if both have partner.)

Partner with Trynn, Champion of Freedom (When this creature enters, target player may put Trynn into their hand from their library, then shuffle.)

Menace

Sacrifice a Human: Put a +1/+1 counter on Silvar, Devourer of the Free. It gains indestructible until end of turn.

Sima Yi, Wei Field Marshal's power is equal to the number of Swamps you control.

: Target creature blocks Sisters of Stone Death this turn if able.

: Exile target creature blocking or blocked by Sisters of Stone Death.

: Put a creature card exiled with Sisters of Stone Death onto the battlefield under your control.

+1: Until your next turn, creatures can't attack you or planeswalkers you control unless their controller pays 2 life for each of those creatures.

−3: Search your library for a Dragon card, reveal it, put it into your hand, then shuffle.

−7: Destroy all non-Dragon creatures.

Sivitri, Dragon Master can be your commander.

Reach

Whenever Six attacks, mill three cards. You may put a land card from among them into your hand.

During your turn, nonland permanent cards in your graveyard have retrace. (You may cast permanent cards from your graveyard by discarding a land card in addition to paying their other costs.)

When you control no Islands, sacrifice Skeleton Ship.

: Put a -1/-1 counter on target creature.

When Skoa, Embermage enters, it deals 4 damage to any target.

Grandeur — Discard another card named Skoa, Embermage, Sacrifice two Mountains: Skoa deals 4 damage to any target.

Haste

Whenever Skullbriar, the Walking Grave deals combat damage to a player, put a +1/+1 counter on it.

Counters remain on Skullbriar as it moves to any zone other than a player's hand or library.

When Skyship Weatherlight enters, search your library for any number of artifact and/or creature cards, exile them, then shuffle.

, : Choose a card at random that was exiled with Skyship Weatherlight. Put that card into its owner's hand.

When Slayer's Bounty enters the battlefield, look at the creature cards in target opponent's hand.

Whenever you sacrifice Slayer's Bounty or another Clue, draft a card from Slayer's Bounty's spellbook.

, Sacrifice Slayer's Bounty: Draw a card.

More Than Meets the Eye (You may cast this card converted for .)

Double strike, haste

At the beginning of each opponent's upkeep, you may have that player gain control of Slicer until end of turn. If you do, untap Slicer, goad it, and it can't be sacrificed this turn. If you don't, convert it.

Whenever a Saproling you control dies, Slimefoot, the Stowaway deals 1 damage to each opponent and you gain 1 life.

: Create a 1/1 green Saproling creature token.