Rule 383.3
When a Condition is met, a Triggered Ability behaves like an Activated Ability and is placed on the Chain.
- 383.3.a If a Triggered Ability says “you may”or “they may” as the first part of its Effect, the controller of its source will…
- 383.3.b If a Triggered Ability contains a cost within instructions at the beginning of the effect or immediately following the…
- 383.3.c Triggered Abilities can be put on the Chain during Closed States or Open States on any player's turn.
- 383.3.d If more than one Triggered Ability is Triggered simultaneously, then the player that controls the Abilities selects…
- 383.3.e Some Triggered Abilities will trigger “once each turn,” or “N times each turn.”