Lawmage's Binding — ruling 1

Activated abilities contain a colon. They’re generally written “[Cost]: [Effect].” Some keyword abilities are activated abilities and will have colons in their reminder text. Triggered abilities (starting with “when,” “whenever,” or “at”) are unaffected by Lawmage’s Binding.

Lawmage's Binding — ruling 2

Once a creature has attacked or blocked, casting Lawmage’s Binding won’t remove that creature from combat. Similarly, once a creature’s ability has been activated, casting Lawmage’s Binding won’t counter that ability.

Lawmage's Binding : règles, fonctionnement et interactions (MTG)

Lawmage's Binding 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

Flash Enchant creature Enchanted creature can't attack or block, and its activated abilities can't be activated.

How it works : Lawmage's Binding

Original English text — Wizards of the Coast / Scryfall

#1January 25, 2019· Wizards of the Coast
Activated abilities contain a colon. They’re generally written “[Cost]: [Effect].” Some keyword abilities are activated abilities and will have colons in their reminder text. Triggered abilities (starting with “when,” “whenever,” or “at”) are unaffected by Lawmage’s Binding.
No other card is named in this ruling.
#2January 25, 2019· Wizards of the Coast
Once a creature has attacked or blocked, casting Lawmage’s Binding won’t remove that creature from combat. Similarly, once a creature’s ability has been activated, casting Lawmage’s Binding won’t counter that ability.
No other card is named in this ruling.