Stronghold

All Slivers have "{2}, Sacrifice this permanent: This permanent deals 2 damage to any target."

At the beginning of each player's upkeep, that player discards a card at random.

Buyback {2}{B}{B} (You may pay an additional {2}{B}{B} as you cast this spell. If you do, put this card into your hand as it resolves.) Target oppo...

Choose two target creatures controlled by the same player. Exile one of those creatures and put two +1/+1 counters on the other.

{B}, {T}: Corrupting Licid loses this ability and becomes an Aura enchantment with enchant creature. Attach it to target creature. You may pay {B} ...

Crovax the Cursed enters the battlefield with four +1/+1 counters on it. At the beginning of your upkeep, you may sacrifice a creature. If you do, ...

{T}: Target creature gains shadow until end of turn. (It can block or be blocked by only creatures with shadow.)

Destroy target tapped creature.

Flying {B}: Dungeon Shade gets +1/+1 until end of turn.

Flying When Foul Imp enters the battlefield, you lose 2 life.

Whenever a creature you control dies, each other player sacrifices a creature.

All Slivers have "Pay 2 life: Return this permanent to its owner's hand."

Buyback {4} (You may pay an additional {4} as you cast this spell. If you do, put this card into your hand as it resolves.) Create a 1/1 black Rat ...

Whenever an opponent discards a card, Megrim deals 2 damage to that player.

Buyback {2}{B}{B} (You may pay an additional {2}{B}{B} as you cast this spell. If you do, put this card into your hand as it resolves.) Target play...

Mindwarper enters the battlefield with three +1/+1 counters on it. {2}{B}, Remove a +1/+1 counter from Mindwarper: Target player discards a card. A...

Sacrifice Morgue Thrull: Put the top three cards of your library into your graveyard.

Whenever a creature is put into your graveyard from the battlefield, put that card on top of your library.

{T}: Target blocking creature gets -1/-1 until end of turn.

Flying Revenant's power and toughness are each equal to the number of creature cards in your graveyard.

When Serpent Warrior enters the battlefield, you lose 3 life.

Skeleton Scavengers enters the battlefield with a +1/+1 counter on it. Pay {1} for each +1/+1 counter on Skeleton Scavengers: Regenerate Skeleton S...

{2}: Create a 1/1 colorless Sliver creature token.

{T}, Sacrifice a creature: Destroy target nonblack creature.