Slither Blade can't be blocked.

Scavenge (, Exile this card from your graveyard: Put a number of +1/+1 counters equal to this card's power on target creature. Scavenge only as a sorcery.)

When Slithermuse leaves the battlefield, choose an opponent. If that player has more cards in hand than you, draw cards equal to the difference.

Evoke (You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters the battlefield.)

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

When Slithery Stalker enters the battlefield, exile target green or white creature an opponent controls.

When Slithery Stalker leaves the battlefield, return the exiled card to the battlefield under its owner's control.

, , Discard a card: Create a 1/1 colorless Sliver artifact creature token named Metallic Sliver.

Trample

Whenever Sludge Titan enters the battlefield or attacks, mill five cards. You may put a creature card and/or a land card from among them into your hand.

Destroy target artifact. Smash to Smithereens deals 3 damage to that artifact's controller.

Smite the Deathless deals 3 damage to target creature. That creature loses indestructible until end of turn. If that creature would die this turn, exile it instead.

Smiting Helix deals 3 damage to any target and you gain 3 life.

Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

For each of up to X target creatures, create a red Aura enchantment token named Smoke Blessing attached to that creature. Those tokens have enchant creature and "When enchanted creature dies, it deals 1 damage to its controller and you create a Treasure token."

Whenever an opponent draws a card, that player may pay . If the player doesn't, you create a Treasure token. (It's an artifact with ", Sacrifice this artifact: Add one mana of any color.")

Whenever an opponent casts a blue or black spell, you may create a 1/1 green Snake creature token.

Double strike

Revolt — At the beginning of your end step, if a permanent you controlled left the battlefield this turn, put a +1/+1 counter on Solemn Recruit.

Creatures you control get +0/+5 until end of turn.

Solitary Camel has lifelink as long as you control a Desert or there is a Desert card in your graveyard. (Damage dealt by this creature also causes you to gain that much life.)

At the beginning of each upkeep, if no spells were cast last turn, transform Solitary Hunter.

: Untap Soliton.

Creatures that are enchanted can't attack or block.

+1: Until your next turn, creatures you control get +1/+0 and gain lifelink.

−2: Create a 2/2 black Vampire creature token with flying.

−6: You get an emblem with "At the beginning of each opponent's upkeep, that player sacrifices a creature."

Soul of Eternity's power and toughness are each equal to your life total.

Encore (, Exile this card from your graveyard: For each opponent, create a token copy that attacks that opponent this turn if able. They gain haste. Sacrifice them at the beginning of the next end step. Activate only as a sorcery.)

Target player sacrifices a nontoken creature. When they do, you may discard a card. If you do, conjure a duplicate of the sacrificed creature into your hand. It perpetually gains "You may spend mana as though it were mana of any color to cast this spell."

Enchant nonland permanent

At the beginning of the upkeep of enchanted permanent's controller, that player sacrifices it unless they pay , where X is its mana value.

Target player loses 3 life and you gain 3 life.

Choose target creature. Exile the top card of your library. You may have Spark of Creativity deal damage to that creature equal to the exiled card's mana value. If you don't, you may play that card until end of turn.

: Sparksmith deals X damage to target creature and X damage to you, where X is the number of Goblins on the battlefield.

Sacrifice a creature: Put a charge counter on Spawning Pit.

, Remove two charge counters from Spawning Pit: Create a 2/2 colorless Spawn artifact creature token.

Flying

When Specter of Mortality enters the battlefield, you may exile one or more creature cards from your graveyard. When you do, each other creature gets -X/-X until end of turn, where X is the number of cards exiled this way.

: Change a target of target spell or ability to Spellskite. ( can be paid with either or 2 life.)

Whenever an opponent casts a spell, that player sacrifices a permanent unless they pay .

Flash

, , Sacrifice Spiked Pit Trap: Choose target creature, then roll a d20.

1–9 | Spiked Pit Trap deals 5 damage to that creature.

10–20 | Spiked Pit Trap deals 5 damage to that creature. Create a Treasure token.

Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)

You may have Spinebiter assign its combat damage as though it weren't blocked.

Flying

Whenever a nontoken creature enters the battlefield under your control, you may pay . If you do, create a 1/1 white Spirit creature token with flying.

, Sacrifice a Spirit: Target non-Spirit creature gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.)

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

Forecast — , Reveal Spirit en-Dal from your hand: Target creature gains shadow until end of turn. (Activate only during your upkeep and only once each turn.)

Tap target untapped creature you control. If you do, it deals damage equal to its power to target attacking or blocking creature an opponent controls.

Flashback—, Pay 3 life. (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Enchant creature you control

Whenever enchanted creature deals damage, you gain that much life.

When Spirit Loop is put into a graveyard from the battlefield, return Spirit Loop to its owner's hand.

At the beginning of your upkeep, if there are no Reflection tokens on the battlefield, create a 2/2 white Reflection creature token.

: Destroy target Reflection.

As long as you control a permanent of each color, prevent all damage that would be dealt to you.

Flying

You have hexproof. (You can't be the target of spells or abilities your opponents control.)

Each player can't draw more than one card each turn.

When Spirit of the Season enters the battlefield, it gains haste if it's summer. Put a +1/+1 counter on it if it's autumn. You gain 5 life if it's winter. If it's spring, search your library for a basic land card, reveal it, put it into your hand, then shuffle.

Enchant creature

Whenever enchanted creature becomes tapped, put a -0/-2 counter on it.

Create a 3/2 red and white Spirit creature token.

When Spirited Companion enters the battlefield, draw a card.

At the beginning of your end step, choose target permanent card in your graveyard. You may sacrifice a permanent that shares a card type with the chosen card. If you do, return the chosen card from your graveyard to the battlefield and it gains "If this permanent would leave the battlefield, exile it instead of putting it anywhere else."

Whenever a spell or ability an opponent controls causes you to discard a card, you gain 2 life and you may draw a card.

At the beginning of each player's upkeep, if that player controls a Plains, they gain 1 life.

Until end of turn, whenever target creature deals damage, you gain that much life.

Draw a card.

Counter target noncreature spell.

When Spitebellows leaves the battlefield, it deals 6 damage to target creature.

Evoke (You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters the battlefield.)