B- or C+.
In a bubble these are non-sexy good depth moves that help deepen their thin depth down the middle. But life isn't a bubble and while the Oilers are like a teetering Jenga game with minimal trade collateral, outside the Oil bubble Vegas destroyed the deadline, Colorado and Dallas also better. Oil still have questions with their defense, top six right wing, and arguably most inexperienced goaltending.
The regular season off the canvas revival has been incredible. Their numbers and stats look great. Unfortunately this is regular season hockey and not the long marathon grind of playoff series and harder, tighter games. This looks like a daunting murderer's row to go through Vegas and/LA.