5 Oct 2018
A spell that can't be countered is a legal target for Sinister Sabotage. The spell won't be countered when Sinister Sabotage resolves, but you'll still surveil 1.
12 Jan 2024
Some spells that instruct you to surveil require targets. You can't cast a spell without choosing legal targets. If all of those targets become illegal, the spell doesn't resolve and you won't surveil.
12 Jan 2024
You perform the actions stated on a card in sequence. For some spells and abilities, you'll surveil last. For others, you'll surveil and then perform other actions.