Vedalken Dismisser — ruling 1

If Vedalken Dismisser is the only creature on the battlefield when its ability triggers, you’ll have to choose it as the target.

Vedalken Dismisser : règles, fonctionnement et interactions (MTG)

Vedalken Dismisser 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

When this creature enters, put target creature on top of its owner's library.

How it works : Vedalken Dismisser

Original English text — Wizards of the Coast / Scryfall

#1June 7, 2013· Wizards of the Coast
If Vedalken Dismisser is the only creature on the battlefield when its ability triggers, you’ll have to choose it as the target.
No other card is named in this ruling.