Whenever another artifact you control enters or leaves the battlefield, you may pay . If you do, target player loses 1 life and you gain 1 life.

Enchant creature

Enchanted creature can't block.

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

When Slum Reaper enters the battlefield, each player sacrifices a creature.

Whenever an enchantment enters the battlefield under your control, scry 1.

: Slumbering Keepguard gets +1/+1 until end of turn for each enchantment you control.

Slurrk, All-Ingesting enters the battlefield with five +1/+1 counters on it.

Whenever Slurrk or another creature you control dies, if it had a +1/+1 counter on it, put a +1/+1 counter on each creature you control that has a +1/+1 counter on it.

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

Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for .)

Whenever a nontoken artifact you control is put into a graveyard from the battlefield, create a 1/1 colorless Servo artifact creature token.

Whenever Sly Spy deals combat damage to a player, you may destroy target creature facing left in its art. (Creatures without faces don't face anywhere.)

Whenever Sly Spy deals combat damage to a player, you may destroy target creature facing right in its art. (Creatures without faces don't face anywhere.)

Whenever Sly Spy deals combat damage to a player, roll a six-sided die. That player loses life equal to the result.

All Sliver creatures have ": This creature gets +1/+1 until end of turn."

Whenever a Sliver becomes blocked, that Sliver gets +1/+1 until end of turn for each creature blocking it.

Sliver creatures you control have "Whenever this creature is dealt damage, it deals that much damage to target player or planeswalker."

Whenever Spitting Slug blocks or becomes blocked, you may pay . If you do, Spitting Slug gains first strike until end of turn. Otherwise, each creature blocking or blocked by Spitting Slug gains first strike until end of turn.

Sliver creatures you control get +0/+1.

At the beginning of combat on your turn, target creature you control gets +2/+0 and gains trample and haste until end of turn.

Nightbound (If a player casts at least two spells during their own turn, it becomes day next turn.)

Whenever a Sliver deals combat damage to a player, its controller may draw a card.

Sliver creatures you control have lifelink. (Damage dealt by a Sliver creature you control also causes you to gain that much life.)

: Add .

: Add or . Activate only if you control a Swamp.

(: Add or .)

Tangled Islet enters the battlefield tapped.

+1: Choose up to one target artifact, up to one target creature, and up to one target land. Untap the chosen permanents you control. Tap the chosen permanents you don't control. You gain 2 life.

−2: Look at the top three cards of your library. Put one of them into your hand and the rest on the bottom of your library in any order.

−7: You get an emblem with "Untap all permanents you control during each opponent's untap step" and "You draw a card during each opponent's draw step."

All Slivers have ": Tap target permanent."

Cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom in a random order.)

Sliver spells you cast have cascade.

Enchant creature with mana value 2 or less

You control enchanted creature.

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

Whenever Throat Slitter deals combat damage to a player, destroy target nonblack creature that player controls.

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

When Torch Slinger enters the battlefield, if it was kicked, it deals 2 damage to target creature.

Target creature gets -1/-1 until end of turn.

Morbid — That creature gets -13/-13 until end of turn instead if a creature died this turn.

(: Add or .)

Wither (This deals damage to creatures in the form of -1/-1 counters.)

: Twinblade Slasher gets +2/+2 until end of turn. Activate only once each turn.

, : Exile target Skeleton, Vampire, or Zombie.

Whenever Vampire Slayer deals damage to a Vampire, destroy that creature.

Sliver creatures you control have deathtouch. (Any amount of damage a creature with deathtouch deals to a creature is enough to destroy it.)

: Viashino Slasher gets +1/-1 until end of turn.

All Slivers have ", Sacrifice this permanent: You gain 4 life."

Deal with the Black Guardian — When Vislor Turlough enters the battlefield, you may have an opponent gain control of it. If you do, it's goaded for as long as they control it.

At the beginning of your end step, draw a card, then you lose life equal to the number of cards in your hand.

Doctor's companion (You can have two commanders if the other is the Doctor.)

(: Add or .)

As Ward Sliver enters the battlefield, choose a color.

All Slivers have protection from the chosen color.

Menace (This creature can't be blocked except by two or more creatures.)

Whenever War-Trained Slasher attacks a battle, double its power until end of turn.

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.)

Tap up to two target creatures. Put a stun counter on either of them. Then put a stun counter on either of them. (If a permanent with a stun counter would become untapped, remove one from it instead.)

Ferocious — If you control a creature with power 4 or greater, damage can't be prevented this turn.

Wild Slash deals 2 damage to any target.

Target creature you control deals damage equal to its power to target creature you don't control. Create a number of 1/1 green Elf Warrior creature tokens equal to the amount of excess damage dealt this way.

Morbid — When Woodland Sleuth enters the battlefield, if a creature died this turn, return a creature card at random from your graveyard to your hand.

Xantcha, Sleeper Agent enters the battlefield under the control of an opponent of your choice.

Xantcha attacks each combat if able and can't attack its owner or planeswalkers its owner controls.

: Xantcha's controller loses 2 life and you draw a card. Any player may activate this ability.