Shadow (This creature can block or be blocked by only creatures with shadow.)
Discard a card: Return Thalakos Scout to its owner's hand.

Shadow (This creature can block or be blocked by only creatures with shadow.)
When Thalakos Seer leaves the battlefield, draw a card.

Flying
Thopter Squadron enters the battlefield with three +1/+1 counters on it.
, Remove a +1/+1 counter from Thopter Squadron: Create a 1/1 colorless Thopter artifact creature token with flying. Activate this ability only any time you could cast a sorcery.
, Sacrifice another Thopter: Put a +1/+1 counter on Thopter Squadron. Activate this ability only any time you could cast a sorcery.

, Sacrifice Thrull Surgeon: Look at target player's hand and choose a card from it. That player discards that card. Activate this ability only any time you could cast a sorcery.

Put target creature on top of its owner's library.

Target player takes an extra turn after this one.

Flying
, Tap two untapped creatures you control: Return target permanent to its owner's hand.

Destroy all enchantments.

You may tap or untap target artifact, creature, or land.
Draw a card.

Discard a creature card: Vampire Hounds gets +2/+2 until end of turn.

: Add .
: Add or . Vec Townships doesn't untap during your next untap step.

At the beginning of each upkeep, create a 1/1 green Saproling creature token.

Buyback (You may pay an additional as you cast this spell. If you do, put this card into your hand as it resolves.)
Target land becomes a 2/2 creature that's still a land. (This effect lasts indefinitely.)

Destroy target artifact.

: Until end of turn, target creature has base power 1 or base toughness 1.

All Slivers have ", Sacrifice this permanent: You gain 4 life."

Enchant creature
Enchanted creature can't attack or block, and its activated abilities can't be activated. That creature's controller may sacrifice a permanent for that player to ignore this effect until end of turn.
: Return Volrath's Curse to its owner's hand.

As Volrath's Laboratory enters the battlefield, choose a color and a creature type.
, : Create a 2/2 creature token of the chosen color and type.

: Add .
, : Put target creature card from your graveyard on top of your library.