Mightstone's Animation

Enchant artifact
When this Aura enters, draw a card.
Enchanted artifact is a creature with base power and toughness 4/4 in addition to its other types.

Perilous Research

Draw two cards, then sacrifice a permanent.

Hatching Plans

When this enchantment is put into a graveyard from the battlefield, draw three cards.

Claws of Gix

{1}, Sacrifice a permanent: You gain 1 life.

Tezzeret's Touch

Enchant artifact
Enchanted artifact is a creature with base power and toughness 5/5 in addition to its other types.
When enchanted artifact is put into a graveyard, return that card to its owner's hand.

Darksteel Relic

Indestructible (Effects that say "destroy" don't destroy this artifact.)

Crack the Earth

Each player sacrifices a permanent of their choice.

Ensoul Artifact

Enchant artifact
Enchanted artifact is a creature with base power and toughness 5/5 in addition to its other types.

Ichor Wellspring

When this artifact enters or is put into a graveyard from the battlefield, draw a card.

Innocent Blood

Each player sacrifices a creature of their choice.

Fade Away

For each creature, its controller sacrifices a permanent of their choice unless they pay {1}.

Souls of the Lost

As an additional cost to cast this spell, discard a card or sacrifice a permanent.
Fathomless descent — Souls of the Lost's power is equal to the number of permanent cards in your graveyard and its toughness is equal to that number plus 1.

Zoetic Glyph

Enchant artifact
Enchanted artifact is a Golem creature with base power and toughness 5/4 in addition to its other types.
When this Aura is put into a graveyard from the battlefield, discover 3.