Postmortem Lunge — ruling 1

A card with Phyrexian mana symbols in its mana cost is each color that appears in that mana cost, regardless of how that cost may have been paid.

Postmortem Lunge — ruling 2

To calculate the mana value of a card with Phyrexian mana symbols in its cost, count each Phyrexian mana symbol as 1.

Postmortem Lunge — ruling 3

As you cast a spell or activate an activated ability with one or more Phyrexian mana symbols in its cost, you choose how to pay for each Phyrexian mana symbol at the same time you would choose modes or choose a value for X.

Postmortem Lunge — ruling 4

If you're at 1 life or less, you can't pay 2 life.

Postmortem Lunge — ruling 5

Phyrexian mana is not a new color. Players can't produce Phyrexian mana.

Postmortem Lunge — ruling 6

If the creature card has {X} in its mana cost, that X is 0. Remember that the value of X chosen for Postmortem Lunge is independent of the value of X on other cards.

Postmortem Lunge — ruling 7

If the creature is no longer on the battlefield at the beginning of the next end step, it won't be exiled.

Postmortem Lunge : règles, fonctionnement et interactions (MTG)

Postmortem Lunge is one of those cards players keep asking about. Here is, in plain words, what its official text says, the rulings published by Wizards of the Coast, and the combos players actually run.

Official card text

( can be paid with either or 2 life.) Return target creature card with mana value X from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step.

How it works : Postmortem Lunge

Original English text — Wizards of the Coast / Scryfall

#1June 1, 2011· Wizards of the Coast
A card with Phyrexian mana symbols in its mana cost is each color that appears in that mana cost, regardless of how that cost may have been paid.
No other card is named in this ruling.
#2June 1, 2011· Wizards of the Coast
To calculate the mana value of a card with Phyrexian mana symbols in its cost, count each Phyrexian mana symbol as 1.
No other card is named in this ruling.
#3June 1, 2011· Wizards of the Coast
As you cast a spell or activate an activated ability with one or more Phyrexian mana symbols in its cost, you choose how to pay for each Phyrexian mana symbol at the same time you would choose modes or choose a value for X.
No other card is named in this ruling.
#4June 1, 2011· Wizards of the Coast
If you're at 1 life or less, you can't pay 2 life.
No other card is named in this ruling.
#5June 1, 2011· Wizards of the Coast
Phyrexian mana is not a new color. Players can't produce Phyrexian mana.
No other card is named in this ruling.
#6June 1, 2011· Wizards of the Coast
If the creature card has in its mana cost, that X is 0. Remember that the value of X chosen for Postmortem Lunge is independent of the value of X on other cards.
No other card is named in this ruling.
#7June 1, 2011· Wizards of the Coast
If the creature is no longer on the battlefield at the beginning of the next end step, it won't be exiled.
No other card is named in this ruling.