Menace

, Sacrifice another creature or enchantment: Put a +1/+1 counter on Sawblade Skinripper.

At the beginning of your end step, if you sacrificed one or more permanents this turn, Sawblade Skinripper deals that much damage to any target.

When Serpent Assassin enters, you may destroy target nonblack creature.

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.

Creatures with power greater than Silumgar Assassin's power can't block it.

Megamorph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its megamorph cost and put a +1/+1 counter on it.)

When Silumgar Assassin is turned face up, destroy target creature with power 3 or less an opponent controls.

When Spelldrain Assassin enters the battlefield, choose an instant or sorcery card in your hand. It perpetually gains casualty 2. (As you cast this spell, you may sacrifice a creature with power 2 or greater. When you do, copy this spell and you may choose a new target for the copy.)

Flash

Flying

When Stingblade Assassin enters, destroy target creature an opponent controls that was dealt damage this turn.

Fear (This creature can't be blocked except by artifact creatures and/or black creatures.)

Whenever Suq'Ata Assassin attacks and isn't blocked, defending player gets a poison counter. <I>(A player with ten or more poison counters loses the game.)</I>

Menace

Your opponents can't gain life.

Whenever a player casts their first spell each turn, choose another target player. The Lord of Pain deals damage equal to that spell's mana value to the chosen player.

Haste

Whenever Thraximundar attacks, defending player sacrifices a creature of their choice.

Whenever a player sacrifices a creature, you may put a +1/+1 counter on Thraximundar.

: Destroy target creature if it shares a color with the most common color among all permanents or a color tied for most common. A creature destroyed this way can't be regenerated.

When Undercity Eliminator enters, you may sacrifice an artifact or creature. When you do, exile target creature an opponent controls.

When Unscrupulous Contractor enters, you may sacrifice a creature. When you do, target player draws two cards and loses 2 life.

Plot (You may pay and exile this card from your hand. Cast it as a sorcery on a later turn without paying its mana cost. Plot only as a sorcery.)

Flying

Ward—Sacrifice a creature.

Whenever a creature dies, target opponent loses 2 life and you gain 2 life.

Deathtouch

Whenever a nontoken creature an opponent controls dies, you may pay . If you do, return that card to the battlefield tapped under your control. It's a Treasure artifact with ", Sacrifice this artifact: Add one mana of any color," and it loses all other card types.

At the beginning of your upkeep, target creature other than Weed-Pruner Poplar gets -1/-1 until end of turn.

Hexproof (This creature can't be the target of spells or abilities your opponents control.)

: Until end of turn, Xathrid Slyblade loses hexproof and gains first strike and deathtouch. (It deals combat damage before creatures without first strike. Any amount of damage it deals to a creature is enough to destroy it.)

, Exile two cards from your graveyard and Zombie Assassin: Destroy target nonblack creature. It can't be regenerated.