First strike

Whenever this creature is dealt damage, it deals that much damage to target opponent or planeswalker.

This creature can block creatures with shadow as though it had shadow.

Destroy target tapped creature.

Target player sacrifices a creature of their choice.

All Sliver creatures get +1/+1.

Destroy target artifact or enchantment.

: Draw a card, then discard a card.

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

All Slivers have ", Sacrifice this permanent: Draw a card."

Vigilance

Shadow (This creature can block or be blocked by only creatures with shadow.)
, Sacrifice this creature: Destroy target blocking creature.

: This creature gets +2/+2 until end of turn. Activate only once each turn.

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

You may choose not to untap this creature during your untap step.
, : Put target creature card from a graveyard onto the battlefield under your control. When this creature becomes untapped or you lose control of this creature, exile that creature.

Buyback—Discard two cards. (You may discard two cards in addition to any other costs as you cast this spell. If you do, put this card into your hand as it resolves.)
Counter target spell.

All Sliver creatures have ": This creature gets +0/+1 until end of turn."

All Sliver creatures have ": This creature gets +1/+0 until end of turn."

Destroy target nonblack creature. It can't be regenerated.

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

Draw four cards. You skip your next turn.

, Sacrifice a creature: Destroy target nonblack creature.

All damage that would be dealt this turn to target creature you control by a source of your choice is dealt to another target creature instead.

Sacrifice this creature: You gain 3 life.

Whenever this creature deals damage to a creature, destroy that creature at end of combat.

Shadow (This creature can block or be blocked by only creatures with shadow.)

This creature enters with two +1/+1 counters on it.
, Remove a +1/+1 counter from this creature: Put a +1/+1 counter on target creature.
Remove a +1/+1 counter from this creature: You gain 2 life.

First strike, forestwalk, vigilance (This creature deals combat damage before creatures without first strike, it can't be blocked as long as defending player controls a Forest, and attacking doesn't cause this creature to tap.)

Enchant creature
Prevent all combat damage that would be dealt to and dealt by enchanted creature.

As an additional cost to cast this spell, sacrifice a land.
Search your library for up to two basic land cards, put them onto the battlefield, then shuffle.

Whenever this creature attacks, it gets +0/+3 until end of turn.

: Destroy target artifact or creature. That permanent's controller gains control of Starke. (This effect lasts indefinitely.)

Discard a card: Regenerate this creature. (The next time this creature would be destroyed this turn, instead tap it, remove it from combat, and heal all damage on it.)

Buyback (You may pay an additional as you cast this spell. If you do, put this card into your hand as it resolves.)
Return the top creature card of your graveyard to the battlefield. That creature gains haste until end of turn. Exile it at the beginning of the next end step.

Search your library for three cards and reveal them. Target opponent chooses one. Put that card into your hand and the rest into your graveyard. Then shuffle.

Shadow (This creature can block or be blocked by only creatures with shadow.)
Whenever this creature attacks, other creatures you control get +1/+1 until end of turn.