mtg lord of the rings card list price One Ring - Universes Beyond: The the Rings: Tales of Middle-earth Every%20pack%20includes%20a%20combination%20of%201%26ndash%3B4%20card(s)%20of%20rarity%20Rare%20or%20higher%20and%203%26ndash%3B7%20Uncommon%2C%203%26ndash%3B7%20Common%2C%20and%201%20Land%20cards The 35 Most Expensive and

When played as one of your 99 cards or later in the game, it is a totally reasonable effect with an appropriate impact on the game

The same is also true of any other abilities that modify how a land enters the battlefield or apply "as" a land enters, such as that of Vesuva or Cavern of Souls

Dockworker Drone's second ability doesn't cause you to move counters from Dockworker Drone onto the target creature

Because Helm of Obediences ability only stops milling once it has either milled X cards or a creature, if you have a replacement effect in play that exiles cards when they go to the graveyard, the Helm never sees either of its conditions met, and it just mills the entire library