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'This artifact enters tapped.
{T}: Add two mana in any combination of colors. Spend this mana only to cast spells with flashback from a graveyard.
'Devoid (This card has no color.)
When this creature enters, create three 1/1 colorless Eldrazi Scion creature tokens. They have "Sacrifice this token: Add {C}."
'When this artifact enters, you may sacrifice a nontoken creature. If you do, draw X cards, then mill X cards, where X is that creature's power. Craft with one or...
'Whenever Sidisi enters or attacks, mill three cards.
Whenever one or more creature cards are put into your graveyard from your library, create a 2/2 black Zombie creature token.
'Devoid (This card has no color.)
When this creature enters, create three 1/1 colorless Eldrazi Scion creature tokens. They have "Sacrifice this token: Add {C}."
'{T}, Pay 2 life, Discard a card, Sacrifice a creature: Create a 5/5 black Demon creature token with flying. Activate only as a sorcery.
'{3}, {T}: This artifact deals 1 damage to any target.
'Sacrifice a creature: Add one mana of any color.
'Reach
When this creature dies, create a 1/2 green Spider creature token with reach.
'Sacrifice a creature: Add one mana of any color.
'{T}, Put a soul counter on this artifact: Put your commander into your hand from the command zone. Then you lose 3 life for each soul counter on this artifact.
'{T}, Put a soul counter on this artifact: Put your commander into your hand from the command zone. Then you lose 3 life for each soul counter on this artifact.