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

{1}, Discard a card at random: Put a +1/+1 counter on target creature.

At the beginning of each upkeep, untap all creatures and lands.

Prevent the next 1 damage that would be dealt to any target this turn.

Draw a card.

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 opponent loses 2 life. You gain 2 life.

{2}, {T}: Bullwhip deals 1 damage to target creature. That creature attacks this turn if able.

Whenever an opponent plays a land, you may put a land card from your hand onto the battlefield.

{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 end this effect.

Enchanted creature can’t attack.

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

Trample

{1}{G}: Regenerate Carnassid.

Buyback {3} (You may pay an additional {3} as you cast this spell. If you do, put this card into your hand as it resolves.)

Target creature can’t attack this turn.

Flying

Cloud Spirit can block only creatures with flying.

Buyback—Sacrifice a land. (You may sacrifice a land in addition to any other costs as you cast this spell. If you do, put this card into your hand as it resolves.)

Prevent all combat damage that would be dealt this turn.

Whenever you cast a spell, you gain 1 life.

Enchant creature

When enchanted creature attacks, return it and Contempt to their owners’ hands at end of combat.

Enchant creature

Enchanted creature gets +1/+3.

{W}: Return Conviction to its owner’s hand.

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

Enchanted creature can’t block.

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

Enchanted creature has fear. (It can’t be blocked except by artifact creatures and/or black creatures.)

Craven Giant can’t block.