The Brothers' War Retro Artifacts

Phyrexian Processor

As Phyrexian Processor enters, pay any amount of life.
{4}, {T}: Create an X/X black Phyrexian Minion creature token, where X is the life paid as Phyrexian Processor entered.

As Phyrexian Processor enters the battlefield, pay any amount of life.
{4}, {T}: Create an X/X black Phyrexian Minion creature token, where X is the life paid as Phyrexian Processor entered the battlefield.

From the Vault: Lore

As Phyrexian Processor enters the battlefield, pay any amount of life.
{4}, {T}: Put an X/X black Minion creature token onto the battlefield, where X is the life paid as Phyrexian Processor entered the battlefield.

Duel Decks: Phyrexia vs. the Coalition

World Championship Decks 2000

World Championship Decks 1999

Urza's Saga

When Phyrexian Processor comes into play, pay any amount of life.
o4, oc
T: Put a Minion token into play. Treat this token as a black creature with power and toughness each equal to the amount of life paid at the time Phyrexian Processor came into play.