Sentinel is an Action card from Allies. It is a terminal trasher that trashes cards from the top of your deck.
 Official FAQ
- Shuffle as needed; if you don't have five cards even after shuffling, you look at all of them.
 External strategy articles
 English versions
|| Look at the top 5 cards of your deck. You may trash up to 2 of them. Put the rest back in any order.
|| March 2022
 Other language versions
 Secret History
It trashes from your next hand. Showed up midway through work on the set, when I needed more trashing; didn't change.