Dunes of the Dead — ruling 1

Dunes of the Dead's second ability doesn't allow you to sacrifice it whenever you'd like. You must find another way to get Dunes of the Dead into the graveyard.

Dunes of the Dead — ruling 2

If you sacrifice Dunes of the Dead to pay the activation cost of an ability, you'll create the Zombie token before that activated ability resolves.

Dunes of the Dead — ruling 3

Desert is a land subtype with no special meaning. It doesn't grant the land an intrinsic mana ability. Other cards may care about which lands are Deserts.

Dunes of the Dead : règles, fonctionnement et interactions (MTG)

Dunes of the Dead 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

: Add . When this land is put into a graveyard from the battlefield, create a 2/2 black Zombie creature token.

How it works : Dunes of the Dead

Original English text — Wizards of the Coast / Scryfall

#1July 14, 2017· Wizards of the Coast
Dunes of the Dead's second ability doesn't allow you to sacrifice it whenever you'd like. You must find another way to get Dunes of the Dead into the graveyard.
No other card is named in this ruling.
#2July 14, 2017· Wizards of the Coast
If you sacrifice Dunes of the Dead to pay the activation cost of an ability, you'll create the Zombie token before that activated ability resolves.
Card named in this ruling
Zombie
#3April 18, 2017· Wizards of the Coast
Desert is a land subtype with no special meaning. It doesn't grant the land an intrinsic mana ability. Other cards may care about which lands are Deserts.
No other card is named in this ruling.