How do triggered abilities work when added to the Chain, specifically the relationship between rule 541 (triggered abilities added to Chain if triggered during a Chain) and rule 543.2 (resolution of triggered abilities triggered by the card being played)?

Ruling: Rule 541 is a generic rule stating that if a Chain exists, triggered abilities are added to that Chain. Rule 543.2 describes what happens when a triggered ability is triggered while resolving an item on the Chain, with 543.2.a following the same principle as 541 (add to existing Chain) and 543.2.b creating a new Chain.

Sequence:

• If a Chain exists and a triggered ability is triggered, add it to the existing Chain (rule 541)
• When resolving an item on the Chain triggers an ability, apply rule 543.2
• Rule 543.2.a: add to existing Chain (same as 541)
• Rule 543.2.b: create a new Chain

Nuances:

• Rule 541 is not a step in the process but rather a generic rule that applies whenever the condition is met
• Both rules work together to handle different timing scenarios for triggered abilities