Granite Shard — ruling 1

You can pay either of the two costs (but not both at the same time) to activate the ability.

Granite Shard : règles, fonctionnement et interactions (MTG)

Granite Shard 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

, or , : This artifact deals 1 damage to any target.

How it works : Granite Shard

Original English text — Wizards of the Coast / Scryfall

#1October 4, 2004· Wizards of the Coast
You can pay either of the two costs (but not both at the same time) to activate the ability.
No other card is named in this ruling.