Fissure Vent — ruling 1

You may choose just the first mode (targeting an artifact), just the second mode (targeting a nonbasic land), or both modes (targeting an artifact and a nonbasic land). You can’t choose a mode unless there’s a legal target for it.

Fissure Vent : règles, fonctionnement et interactions (MTG)

Fissure Vent 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

Choose one or both — • Destroy target artifact. • Destroy target nonbasic land.

How it works : Fissure Vent

Original English text — Wizards of the Coast / Scryfall

#1June 15, 2010· Wizards of the Coast
You may choose just the first mode (targeting an artifact), just the second mode (targeting a nonbasic land), or both modes (targeting an artifact and a nonbasic land). You can’t choose a mode unless there’s a legal target for it.
No other card is named in this ruling.