Reality Smasher — ruling 1

The last ability will trigger due to any spell controlled by an opponent (including an Aura spell) that targets Reality Smasher.

Reality Smasher : règles, fonctionnement et interactions (MTG)

Reality Smasher 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

( represents colorless mana.) Trample, haste Whenever this creature becomes the target of a spell an opponent controls, counter that spell unless its controller discards a card.

How it works : Reality Smasher

Original English text — Wizards of the Coast / Scryfall

#1January 22, 2016· Wizards of the Coast
The last ability will trigger due to any spell controlled by an opponent (including an Aura spell) that targets Reality Smasher.
No other card is named in this ruling.