Drop Tower — ruling 1

As soon as a player rolls a 1, the creature will no longer be granted flying from Drop Tower. No player may take any actions between the result of die roll coming up 1 and the flying effect ending.

Drop Tower — ruling 2

You can choose Drop Tower’s effect for Grand Marshal Macie’s last ability. If you do, the effect won’t end even if a player rolls a 1, though if that happens, the effect will end as soon as Grand Marshal Macie untaps.

Drop Tower : règles, fonctionnement et interactions (MTG)

Drop Tower 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

Visit — Target creature gains flying until end of turn, or until any player rolls a 1, whichever comes first.

How it works : Drop Tower

Original English text — Wizards of the Coast / Scryfall

#1October 7, 2022· Wizards of the Coast
As soon as a player rolls a 1, the creature will no longer be granted flying from Drop Tower. No player may take any actions between the result of die roll coming up 1 and the flying effect ending.
No other card is named in this ruling.
#2October 7, 2022· Wizards of the Coast
You can choose Drop Tower’s effect for Grand Marshal Macie’s last ability. If you do, the effect won’t end even if a player rolls a 1, though if that happens, the effect will end as soon as Grand Marshal Macie untaps.
No other card is named in this ruling.