, Sacrifice this creature: It deals 3 damage to target attacking or blocking creature.

When this creature enters, you may search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.
When this creature dies, you may draw a card.

(You may cast either half. That door unlocks on the battlefield. As a sorcery, you may pay the mana cost of a locked door to unlock it.)
When you unlock this door, conjure a duplicate of this card into your hand. When you do, target creature you control gains first strike until end of turn.

: Untap this creature.

This land enters tapped.
: Add .

: Add one mana of any color.
, : Untap another target artifact.
, : Scry 1.
, : Target creature can't be blocked this turn.

As this land enters, you may pay 3 life. If you don't, it enters tapped.
: Add .

: Target creature you control gains flying until end of turn.
: Prevent all combat damage that would be dealt to and dealt by target creature you control this turn.

Enchant creature
Enchanted creature gets +1/+1 and has "Whenever this creature attacks, scry 1.

Whenever you sacrifice another permanent, you may pay . If you do, create a token that's a copy of this creature.

, : Flip a coin. If you win the flip, sacrifice this artifact and draw three cards.

Equipped creature has ": This creature deals 1 damage to target player or planeswalker. If this creature is a Wizard, it deals 2 damage instead."
Equip

As this artifact enters, look at an opponent's hand, then choose any card name.
Activated abilities of sources with the chosen name can't be activated unless they're mana abilities.

: Choose two target blocking creatures controlled by the same opponent. If each of those creatures could block all creatures that the other is blocking, remove both of them from combat. Each one then blocks all creatures the other was blocking.
Whenever this land becomes tapped, it deals 2 damage to you and each creature you control.

, : Two target players exchange life totals.

Imprint — When this artifact enters, you may exile a creature card from your hand.
, : Create a token that's a copy of the exiled card. X is the mana value of that card.

Whenever a creature dies, you may pay . If you do, you gain 1 life.

Trample
: Permanents you control gain indestructible until end of turn.
, Exile this card from your graveyard: Permanents you control gain indestructible until end of turn.

, , Sacrifice this artifact: Exile target creature card from your graveyard. Create a token that's a copy of that card, except it's 1/1, it's a Spirit in addition to its other types, and it has flying. Create a black Zombie creature token with power equal to that card's power and toughness equal to that card's toughness.

Haste
Whenever one or more other creatures die, Soul Shredder perpetually gets +1/+1. This ability also triggers if Soul Shredder is in your graveyard.
Crew 1
, Sacrifice two creatures: Return Soul Shredder from your graveyard to the battlefield. Activate only as a sorcery.

When this artifact enters, exile target card from a graveyard.
, Sacrifice this artifact: Exile each opponent's graveyard.
, , Sacrifice this artifact: Draw a card.