Fractured Powerstone — ruling 1

In non-Planechase games, Fractured Powerstone's second ability will have no effect.

Fractured Powerstone — ruling 2

Rolling the planar die this way doesn't count when determining the cost of the special action of rolling the planar die. For example, if you roll the planar die twice in a turn, then activate Fractured Powerstone to roll it a third time, rolling the planar die again that turn will cost {2}.

Fractured Powerstone : règles, fonctionnement et interactions (MTG)

Fractured Powerstone 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

: Add . : Roll the planar die. Activate only as a sorcery.

How it works : Fractured Powerstone

Original English text — Wizards of the Coast / Scryfall

#1June 1, 2012· Wizards of the Coast
In non-Planechase games, Fractured Powerstone's second ability will have no effect.
No other card is named in this ruling.
#2June 1, 2012· Wizards of the Coast
Rolling the planar die this way doesn't count when determining the cost of the special action of rolling the planar die. For example, if you roll the planar die twice in a turn, then activate Fractured Powerstone to roll it a third time, rolling the planar die again that turn will cost .
No other card is named in this ruling.