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

Whenever Sage-Eye Avengers attacks, you may return target creature to its owner's hand if its power is less than Sage-Eye Avengers's power.

Sacrifice Sakura-Tribe Elder: Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

At the beginning of your upkeep, add . Until end of turn, you don't lose this mana as steps and phases end.

Protection from black and from red

When Sanctifier en-Vec enters, exile all cards that are black or red from all graveyards.

If a black or red permanent, spell, or card not on the battlefield would be put into a graveyard, exile it instead.

Haste

Renown 1 (When this creature deals combat damage to a player, if it isn't renowned, put a +1/+1 counter on it and it becomes renowned.)

Whenever an opponent casts a noncreature spell, if Scab-Clan Berserker is renowned, Scab-Clan Berserker deals 2 damage to that player.

When Scab-Clan Giant enters, it fights target creature an opponent controls chosen at random.

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 Scion of Vitu-Ghazi enters, if you cast it from your hand, create a 1/1 white Bird creature token with flying, then populate. (Create a token that's a copy of a creature token you control.)

: Scornful Aether-Lich gains fear and vigilance until end of turn. (Attacking doesn't cause it to tap, and it can't be blocked except by artifact creatures and/or black creatures.)

Mutate (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on top plus all abilities from under it.)

Flash

Whenever this creature deals combat damage to a player, draw a card.

Target opponent sacrifices a green or white creature of their choice. If that player does, they lose 2 life.

When Selkie Hedge-Mage enters, if you control two or more Forests, you may gain 3 life.

When Selkie Hedge-Mage enters, if you control two or more Islands, you may return target tapped creature to its owner's hand.

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.

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

When Sergeant-at-Arms enters, if it was kicked, create two 1/1 white Soldier creature tokens.

Whenever an Elf you control dies, exile it.

, Pay 2 life: Until end of turn, you may cast a creature spell from among cards exiled with Serpent's Soul-Jar.

When Seven-Tail Mentor enters or dies, put a +1/+1 counter on target creature or Vehicle you control.

Other Clerics you control get +1/+1.

, , Sacrifice another Cleric: Search your library for a black creature card, put it onto the battlefield, then shuffle.

Vigilance

Whenever a creature you control enters, if its power is greater than Sharp-Eyed Rookie's power or its toughness is greater than Sharp-Eyed Rookie's toughness, put a +1/+1 counter on Sharp-Eyed Rookie and investigate. (Create a Clue token. It's an artifact with ", Sacrifice this artifact: Draw a card.")

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for or one mana of that creature's color.)

Flying, haste

When Shu Soldier-Farmers enters, you gain 4 life.

Lieutenant — At the beginning of combat on your turn, if you control your commander, create two 1/1 red Goblin creature tokens. Those tokens gain haste until end of turn.

, Sacrifice a Goblin: Siege-Gang Lieutenant deals 1 damage to any target.

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.

When Silent-Chant Zubera dies, you gain 2 life for each Zubera that died this turn.

Ninjutsu (, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.)

Ninjutsu abilities you activate cost less to activate.

Other Ninja and Rogue creatures you control get +1/+1.

When Singe-Mind Ogre enters, target player reveals a card at random from their hand, then loses life equal to that card's mana value.

As Six-y Beast enters, you secretly put six or fewer +1/+1 counters on it, then an opponent guesses the number of counters. If that player guesses right, sacrifice Six-y Beast after it enters.

: Skophos Maze-Warden gets +1/-1 until end of turn.

Whenever another creature becomes the target of an ability of a land you control named Labyrinth of Skophos, you may have Skophos Maze-Warden fight that creature. (Each deals damage equal to its power to the other.)

When Skyclave Pick-Axe enters, attach it to target creature you control.

Landfall — Whenever a land you control enters, equipped creature gets +2/+2 until end of turn.

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

Whenever you sacrifice a permanent, Slaughter-Priest of Mogis gets +2/+0 until end of turn.

, Sacrifice another creature or an enchantment: Slaughter-Priest of Mogis gains first strike until end of turn.

Living metal (During your turn, this Vehicle is also a creature.)

First strike, haste

Whenever Slicer deals combat damage to a player, convert it at end of combat.

Vigilance

Slickshot Vault-Buster gets +2/+0 as long as you've committed a crime this turn. (Targeting opponents, anything they control, and/or cards in their graveyards is a crime.)

Slivers you control have flying and "Whenever you draw a card, this creature deals 1 damage to any target" and ": Draw a card."

When Smelt-Ward Gatekeepers enters, if you control two or more Gates, gain control of target creature an opponent controls until end of turn. Untap that creature. It gains haste until end of turn.

Whenever you cast an instant or sorcery spell, target creature an opponent controls can't block this turn.

: Add .

Flash

Flying

As long as an opponent has eight or more cards in their graveyard, Rogues you control get +1/+0.

Whenever one or more Rogues you control attack, each opponent mills two cards.

Gain control of target creature until end of turn. Untap that creature. It gains haste until end of turn.

Flying

, Return three lands you control to their owner's hand: Return target creature to its owner's hand.

When this artifact enters, exile target card from a graveyard.

, Sacrifice this artifact: Exile each opponent's graveyard.

, , Sacrifice this artifact: Draw a card.

When this creature enters, exile up to two target cards from a single graveyard. If at least one creature card was exiled this way, each opponent loses 2 life and you gain 2 life.

Gear Up, sponsored by Wizards of the Coast — As Souvenir T-Shirt enters, roll two six-sided dice. For each Magic-branded item you're wearing, roll an additional six-sided die. Choose two of those results.

Equipped creature gets +X/+Y, where X is the first chosen result and Y is the second.

Equip

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

Spike-Tailed Ceratops can block an additional creature each combat.

Flying

: The next 1 damage that would be dealt to Spirit en-Kor this turn is dealt to target creature you control instead.

, : Prevent the next 2 damage that would be dealt to any target this turn.

Flash

When Spring-Loaded Sawblades enters, it deals 5 damage to target tapped creature an opponent controls.

Craft with artifact (, Exile this artifact, Exile another artifact you control or an artifact card from your graveyard: Return this card transformed under its owner's control. Craft only as a sorcery.)

Increase the result of each die you roll by 2.

Whenever Star-Crowned Stag attacks, tap target creature defending player controls.