+Sla (132)
Gain control of target creature. Untap that creature. It gains haste until end of turn. Sacrifice it at the beginning of the next end step.
Trample
Forestcycling (, Discard this card: Search your library for a Forest card, reveal it, put it into your hand, then shuffle.)
Whenever Slavering Nulls deals combat damage to a player, if you control a Swamp, you may have that player discard a card.
Destroy target green creature. It can't be regenerated.
Draw a card.
When Slayer of the Wicked enters, you may destroy target Vampire, Werewolf, or Zombie.
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.
Equipped creature gets +3/+1 and must be blocked by an Eldrazi if able.
Equip
Equipped creature gets +4/+2.
Whenever equipped creature dies, if it was a Human, create a 1/1 white Spirit creature token with flying.
: Add .
, : Target creature gets +2/+0 and gains vigilance and haste until end of turn.
Slaying Fire deals 3 damage to any target.
Adamant — If at least three red mana was spent to cast this spell, it deals 4 damage instead.
Just a second (As long as this spell is on the stack, players can't move permanents.)
Slaying Mantis enters by being thrown from a distance of at least three feet.
When Slaying Mantis enters, it fights each creature an opponent controls that it touched as it entered.
Reveal the top seven cards of your library, then put those cards on the bottom of your library in any order. If a card named Stomping Slabs was revealed this way, Stomping Slabs deals 7 damage to any target.
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.)
Target creature you control deals damage equal to its power to target creature you don't control.
Target player sacrifices a creature or planeswalker of their choice.
Delirium — If there are four or more card types among cards in your graveyard, instead that player sacrifices a creature and a planeswalker of their choice.
(: Add or .)
Turn to Slag deals 5 damage to target creature. Destroy all Equipment attached to that creature.
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.
Deathtouch
Whenever Unstoppable Slasher deals combat damage to a player, they lose half their life, rounded up.
When Unstoppable Slasher dies, if it had no counters on it, return it to the battlefield tapped under its owner's control with two stun counters on it.
Manifest dread X times, then put X +1/+1 counters on each of those creatures. (To manifest dread, look at the top two cards of your library, then put one onto the battlefield face down as a 2/2 creature and the other into your graveyard. Turn it face up any time for its mana cost if it's a creature card.)
Whenever Vampire Slayer deals damage to a Vampire, destroy that creature.
: Viashino Slasher gets +1/-1 until end of turn.
Double strike
: Viashino Slaughtermaster gets +1/+1 until end of turn. Activate only once each turn.
Choose up to two target creature cards in your graveyard. An opponent chooses one of them. Return that card to your hand. Return the other to the battlefield under your control. It gains haste. Exile it at the beginning of the next end step.
Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)
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.
Kicker (You may pay an additional as you cast this spell.)
Put a +1/+1 counter on each creature you control. If this spell was kicked, put two +1/+1 counters on each creature you control 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.
Whenever equipped creature deals combat damage to a player, destroy all permanents other than Worldslayer.
Equip (: Attach to target creature you control. Equip only as a sorcery.)
Gatherer works better in the Companion app!
, Sacrifice Slayer's Bounty: Draw a card.