Weathered Runestone — ruling 1

Players can still play lands from graveyards if an effect allows them to. Similarly, effects can put land cards onto the battlefield from any zone.

Weathered Runestone — ruling 2

If an effect exiles a card from a graveyard or library and allows a player to cast it, the player may do so. The spell is cast from exile.

Weathered Runestone — ruling 3

Look at the card as it exists in your graveyard or library to determine whether it can enter the battlefield. If it’s a double-faced card, use its front-face characteristics only.

Weathered Runestone : règles, fonctionnement et interactions (MTG)

Weathered Runestone 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

Nonland permanent cards in graveyards and libraries can't enter the battlefield. Players can't cast spells from graveyards or libraries.

How it works : Weathered Runestone

Original English text — Wizards of the Coast / Scryfall

#1February 5, 2021· Wizards of the Coast
Players can still play lands from graveyards if an effect allows them to. Similarly, effects can put land cards onto the battlefield from any zone.
No other card is named in this ruling.
#2February 5, 2021· Wizards of the Coast
If an effect exiles a card from a graveyard or library and allows a player to cast it, the player may do so. The spell is cast from exile.
No other card is named in this ruling.
#3February 5, 2021· Wizards of the Coast
Look at the card as it exists in your graveyard or library to determine whether it can enter the battlefield. If it’s a double-faced card, use its front-face characteristics only.
No other card is named in this ruling.