Aggressive Mining — ruling 1

You can activate the ability once on each player’s turn, not just your own.

Aggressive Mining — ruling 2

Aggressive Mining doesn’t stop lands from being put onto the battlefield by a spell or ability. It only stops the special action of playing a land.

Aggressive Mining : règles, fonctionnement et interactions (MTG)

Aggressive Mining 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

You can't play lands. Sacrifice a land: Draw two cards. Activate only once each turn.

How it works : Aggressive Mining

Original English text — Wizards of the Coast / Scryfall

#1July 18, 2014· Wizards of the Coast
You can activate the ability once on each player’s turn, not just your own.
No other card is named in this ruling.
#2July 18, 2014· Wizards of the Coast
Aggressive Mining doesn’t stop lands from being put onto the battlefield by a spell or ability. It only stops the special action of playing a land.
No other card is named in this ruling.