Rulik Mons, Warren Chief — ruling 1

Putting a land onto the battlefield with Rulik Mons, Warren Chief's second ability doesn't count as playing a land for the turn.

Rulik Mons, Warren Chief — ruling 2

If it is a land, you may choose not to put it onto the battlefield this way. In that case, you will create a 1/1 red Goblin creature token.

Rulik Mons, Warren Chief : règles, fonctionnement et interactions (MTG)

Rulik Mons, Warren Chief 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

Menace (This creature can't be blocked except by two or more creatures.) Whenever Rulik Mons attacks, look at the top card of your library. If it's a land card, you may put it onto the battlefield tapped. If you didn't put a card onto the battlefield this way, create a 1/1 red Goblin creature token.

How it works : Rulik Mons, Warren Chief

Original English text — Wizards of the Coast / Scryfall

#1September 9, 2022· Wizards of the Coast
Putting a land onto the battlefield with Rulik Mons, Warren Chief's second ability doesn't count as playing a land for the turn.
No other card is named in this ruling.
#2September 9, 2022· Wizards of the Coast
If it is a land, you may choose not to put it onto the battlefield this way. In that case, you will create a 1/1 red Goblin creature token.
Card named in this ruling
Goblin