Sky Tether — ruling 1

Sky Tether can enchant a creature that never had flying at all.

Sky Tether — ruling 2

The enchanted creature can later gain flying from another effect.

Sky Tether : règles, fonctionnement et interactions (MTG)

Sky Tether 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

Enchant creature Enchanted creature has defender and loses flying.

How it works : Sky Tether

Original English text — Wizards of the Coast / Scryfall

#1January 25, 2019· Wizards of the Coast
Sky Tether can enchant a creature that never had flying at all.
No other card is named in this ruling.
#2January 25, 2019· Wizards of the Coast
The enchanted creature can later gain flying from another effect.
No other card is named in this ruling.