During combat, players can't cast instant spells or activate abilities that aren't mana abilities.

Target opponent reveals their hand. You choose a card from it. That player discards that card.

As long as this artifact is untapped, players can't untap more than two permanents during their untap steps.

: Destroy target creature blocking this creature.

Flying

Buyback (You may pay an additional as you cast this spell. If you do, put this card into your hand as it resolves.)
Return target permanent to its owner's hand.

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

Shadow (This creature can block or be blocked by only creatures with shadow.)
: This creature gets +1/+0 until end of turn.

As this creature enters, choose an opponent.
Pallimud's power is equal to the number of tapped lands the chosen player controls.

Shadow (This creature can block or be blocked by only creatures with shadow.)
: This creature gets +1/+0 until end of turn.

Destroy two target nonblack creatures. You lose 5 life.

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

All Slivers have ", Sacrifice this permanent: Target player discards a card at random. Activate only as a sorcery."

: Prevent the next 3 damage that would be dealt to any target this turn.

At the beginning of your upkeep, put a pain counter on this artifact.
At the beginning of your end step, this artifact deals damage to you equal to the number of pain counters on it.
, , Remove all pain counters from this artifact: It deals damage to target creature equal to the number of pain counters removed this way.

Flying
: Non-Wall creatures the active player controls attack this turn if able. At the beginning of the next end step, destroy each of those creatures that didn't attack this turn. Activate only during an opponent's turn and only before combat.

, : Target opponent chooses one of the top two cards of your graveyard. Exile that card and put the other one into your hand.

Draw three cards, then put two cards from your hand both on top of your library or both on the bottom of your library.

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

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.

Shroud (This creature can't be the target of spells or abilities.)

Destroy all green creatures. They can't be regenerated.

All Sliver creatures have ": This creature gets +1/+0 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.

Creatures can't attack you unless their controller pays for each creature they control that's attacking you.

You may cast Aura spells with enchant creature as though they had flash.

Shadow (This creature can block or be blocked by only creatures with shadow.)
You may choose not to untap this creature during your untap step.
Whenever this creature deals damage to an opponent, tap target creature. That creature doesn't untap during its controller's untap step for as long as this creature remains tapped.

Shadow (This creature can block or be blocked by only creatures with shadow.)
This creature has first strike as long as it's attacking.

, : You may tap or untap target creature.

As an additional cost to cast this spell, sacrifice a creature.
Spontaneous Combustion deals 3 damage to each creature.

Whenever this creature blocks, it deals 1 damage to target attacking creature.

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

Target creature deals damage to itself equal to its power.

Flying, first strike