Stronghold

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

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

Trample {1}{G}: Regenerate Carnassid.

Flying Cloud Spirit can block only creatures with flying.

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

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

Craven Giant can't block.

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, ...

All Slivers have shroud. (They can't be the targets of spells or abilities.)

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

Dream Prowler can't be blocked as long as it's attacking alone.

{1}{R}: Target creature can't block Duct Crawler this turn.

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

When you control a creature with toughness 2 or less, sacrifice Endangered Armodon.

Haste {0}: Flowstone Hellion gets +1/-1 until end of turn.

Trample {R}: Flowstone Mauler gets +1/-1 until end of turn.

{R}: Flowstone Shambler gets +1/-1 until end of turn.

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

Haste {R}: Furnace Spirit gets +1/+0 until end of turn.

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

Hammerhead Shark can't attack unless defending player controls an Island.

{G}, {T}: Reveal cards from the top of your library until you reveal a basic land card. Put that card into your hand and all other cards revealed t...

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

{W}: Honor Guard gets +0/+1 until end of turn.