Shrapnel Blast — ruling 1

You must sacrifice exactly one artifact to cast this spell; you can’t cast it without sacrificing an artifact, and you can’t sacrifice additional artifacts.

Shrapnel Blast — ruling 2

Players can only respond once this spell has been cast and all its costs have been paid. No one can try to destroy the artifact you sacrificed to prevent you from casting this spell.

Shrapnel Blast : règles, fonctionnement et interactions (MTG)

Shrapnel Blast 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

As an additional cost to cast this spell, sacrifice an artifact. Shrapnel Blast deals 5 damage to any target.

How it works : Shrapnel Blast

Original English text — Wizards of the Coast / Scryfall

#1July 18, 2014· Wizards of the Coast
You must sacrifice exactly one artifact to cast this spell; you can’t cast it without sacrificing an artifact, and you can’t sacrifice additional artifacts.
No other card is named in this ruling.
#2July 18, 2014· Wizards of the Coast
Players can only respond once this spell has been cast and all its costs have been paid. No one can try to destroy the artifact you sacrificed to prevent you from casting this spell.
No other card is named in this ruling.