Dwarven Mine — ruling 1

As these lands are entering the battlefield, they check for lands that are already on the battlefield. They won't see lands that are entering the battlefield at the same time (due to Scapeshift, for example).

Dwarven Mine — ruling 2

If another effect puts these lands onto the battlefield tapped, they enter tapped, even if you control enough lands with the appropriate basic land type.

Dwarven Mine : règles, fonctionnement et interactions (MTG)

Dwarven Mine 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 .) This land enters tapped unless you control three or more other Mountains. When this land enters untapped, create a 1/1 red Dwarf creature token.

Complete guide

Dwarven Mine is a unique utility land from the Throne of Eldraine set that rewards players for specializing in red mana. While it functions as a basic Mountain, it has the potential to provide immediate board presence by bringing a companion into battle. Understanding the timing of its triggered ability is key to maximizing its value in aggressive or token-based decks.

Mountain Subtype and Tapped Entry

Dwarven Mine has the Mountain subtype, meaning it can be searched by cards that look for Mountains and naturally taps for red mana. However, it enters the battlefield tapped unless you already control at least three other Mountains. The game checks this condition at the moment the land would enter; if you have zero, one, or two other Mountains, it must enter tapped and its secondary ability will not trigger.

Creating the Dwarf Token

The ability to create a 1/1 red Dwarf creature token is a triggered ability that only happens if Dwarven Mine enters the battlefield untapped. This check occurs specifically during the resolution of the land entering the battlefield. If an outside effect, such as an opponent's spell, forces the land to enter tapped regardless of your Mountain count, you will not receive the token.

Simultaneous Entry Rules

A common mistake involves putting multiple lands onto the battlefield at the same time. If you use an effect to put Dwarven Mine and several other Mountains onto the battlefield simultaneously, Dwarven Mine will only 'see' the Mountains that were already there before the effect resolved. It will not count the other lands entering with it toward the requirement of three or more other Mountains.

Strategic Timing

Since Dwarven Mine is a land, it doesn't use the stack to be played, but the token creation does. You should play this land when you need an extra blocker or a body to sacrifice, provided you have established your mana base with enough basic Mountains or non-basic lands that carry the Mountain subtype.

Interaction examples

Establishing the Mine

Dwarf

If you control three basic Mountains and play Dwarven Mine as your land for turn, the game sees you meet the requirement. Dwarven Mine enters untapped, triggering its ability. You then place a 1/1 red Dwarf creature token onto the battlefield.

Non-Mountain Interactions

Command Tower

Exotic Orchard

If your battlefield consists of one Mountain, one Command Tower, and one Exotic Orchard, you only control one Mountain. When you play Dwarven Mine, it will enter the battlefield tapped because Command Tower and Exotic Orchard do not have the Mountain subtype. No Dwarf token is created.

Guide written with AI from the official text and rulings. Official English text prevails.

How it works : Dwarven Mine

Original English text — Wizards of the Coast / Scryfall

#1October 4, 2019· Wizards of the Coast
As these lands are entering the battlefield, they check for lands that are already on the battlefield. They won't see lands that are entering the battlefield at the same time (due to Scapeshift, for example).
No other card is named in this ruling.
#2October 4, 2019· Wizards of the Coast
If another effect puts these lands onto the battlefield tapped, they enter tapped, even if you control enough lands with the appropriate basic land type.
No other card is named in this ruling.