Immersturm Skullcairn — ruling 1

If the target player is an illegal target as the last activated ability tries to resolve, that ability won’t resolve and none of its effects will happen. No damage will be dealt, and that player won’t discard a card.

Immersturm Skullcairn : règles, fonctionnement et interactions (MTG)

Immersturm Skullcairn 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

This land enters tapped. : Add . , , Sacrifice this land: It deals 3 damage to target player. That player discards a card. Activate only as a sorcery.

How it works : Immersturm Skullcairn

Original English text — Wizards of the Coast / Scryfall

#1February 5, 2021· Wizards of the Coast
If the target player is an illegal target as the last activated ability tries to resolve, that ability won’t resolve and none of its effects will happen. No damage will be dealt, and that player won’t discard a card.
No other card is named in this ruling.