That means the below picks take into account the current pro league ban on Lion (who's currently being reworked) and the three-month ban on the newest operators from Operation Wind Storm (Nomad and Kaid) who are on their trial evaluation. Related: Complete Patch Notes for Rainbow Six Siege Y4S1's Operation Burnt Horizon The ranked recommendations below are gathered from the current meta of the game before the Y4S1 major update releases. Season 9 of Rainbow Six Siege's Pro League wrapped up in February with the latest Six International hosted in Montreal and we've gathered the stats on the top operator selections by the world's best players. For that reason, our ranked attack operators list does not include yet-to-be-released operators Gridlock and Mozzie who are releasing with the Australian-themed Operation Burnt Horizon expansion. Year 4 of Tom Clancy's Rainbow Six Siege begins this week and we have the ultimate guide for players looking to select and master the best operators while on the attack phase going into the new season.