Suppression Field — ruling 1

Activated abilities contain a colon. They’re generally written “[Cost]: [Effect].” Some keywords are activated abilities and will have colons in their reminder text.

Suppression Field — ruling 2

Suppression Field’s ability doesn’t affect static abilities, triggered abilities, or mana abilities. (A “mana ability” is an ability that produces mana, not an ability that costs mana.)

Suppression Field : règles, fonctionnement et interactions (MTG)

Suppression Field 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

Activated abilities cost more to activate unless they're mana abilities.

How it works : Suppression Field

Original English text — Wizards of the Coast / Scryfall

#1June 8, 2016· Wizards of the Coast
Activated abilities contain a colon. They’re generally written “[Cost]: [Effect].” Some keywords are activated abilities and will have colons in their reminder text.
No other card is named in this ruling.
#2October 1, 2005· Wizards of the Coast
Suppression Field’s ability doesn’t affect static abilities, triggered abilities, or mana abilities. (A “mana ability” is an ability that produces mana, not an ability that costs mana.)
No other card is named in this ruling.