So you have the 9 February ban announcement which was for Historic:
https://magic.wizards.com/en/news/announcements/banned-and-restricted-february-9-2026

However 2 new cards were added 18 February, with no announcement.

Care to be more exacting and talk about bans before they happen. It wasn’t that long ago the savage community brought their torches to burn down the Rules Committee. Who knows what could happen.