Rules glossary
↑ Parent rule: 602.2 To activate an ability is to put it onto the stack and pay i…
602.2b The remainder of the process for activating an ability is identical to the process for casting a spell listed in rules 601.2b–i. Those rules apply to activating an ability just as they apply to casting a spell. An activated ability’s analog to a spell’s mana cost (as referenced in rule 601.2f) is its activation cost.
No sub-rules.