Hi Noah,
if you follow the steps, which Xin Guo depicted you will get all the alerts within a view in the SCOM console. The other possible way is to use Powershell, use the "Get-SCOMAlert" cmdlet together with the "-Criteria" parameter, which lets you specifyy a "MonitoringRuleId" as a filter, thus returning all the alerts from a specific rule.
Regarding the usage of the "-Criteria" parameter, you can refer to:
SCOM2012: Using the Get-SCOMAlert Criteria Parameter (Complete Reference)
Hope this helps you out.
(If the reply was helpful please don't forget to upvote and/or accept as answer, thank you)
Regards
Stoyan Chalakov