Blinkmoth Urn — ruling 1

The "precombat main phase" is the first main phase of the turn. All other main phases are "postcombat main phases."

Blinkmoth Urn — ruling 2

The precombat main phase is the first main phase of the turn. All others are postcombat main phases, even if they technically occur before combat.

Blinkmoth Urn : règles, fonctionnement et interactions (MTG)

Blinkmoth Urn 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

At the beginning of each player's first main phase, if this artifact is untapped, that player adds for each artifact they control.

How it works : Blinkmoth Urn

Original English text — Wizards of the Coast / Scryfall

#1December 1, 2004· Wizards of the Coast
The "precombat main phase" is the first main phase of the turn. All other main phases are "postcombat main phases."
No other card is named in this ruling.
#2October 4, 2004· Wizards of the Coast
The precombat main phase is the first main phase of the turn. All others are postcombat main phases, even if they technically occur before combat.
No other card is named in this ruling.