506.3.e.1. The trigger would change a point total. (Example card: Ahri, Alluring)
506.3.e.2. The trigger would change a rune total. (Example card: Startipped Peak)
506.3.e.3. The trigger would add a Buff token to a unit. (Example card: Sett, Brawler)
506.3.e.4. The trigger would impact combat or other game procedures. A card that reads "When you play a spell, give me +1 Might this turn." does NOT have an immediate observable impact. It has an observable impact once it's Might would be relevant. (Example card: Ravenbloom Student)
506.3.e.5. A trigger would cause a player to draw or discard. (Example card: Traveling Merchant)
506.3.e.6. A trigger would cause a game object to be exhausted or readied. (Example card: Miss Fortune, Captain)
506.3.e.7. A trigger would cause a unit to move. (Example card: Stealthy Pursuer)
506.3.e.8. A player asks for public information that would be impacted by a trigger. See 502 for more information on public information.
506.3.e.9. A player would be required to make a choice of whether or not to place an optional trigger on the chain. (Example: Overzealous Fan)