Farming plan

Stormbringer

Dropped by

Another Betrayer, Rotation C Rare 2.01 %

Family Reunion, Rotation C Rare 2.01 %

Hot Mess, Rotation C Rare 2.01 %

Recover The Orokin Archive, Rotation C Rare 2.01 %

Sunkiller, Rotation C Rare 2.01 %

Table For Two, Rotation C Rare 2.01 %

The Aftermath, Rotation C Rare 2.01 %

Time's Up, Rotation C Rare 2.01 %

Lynx Uncommon 0.66 %

Ballista Uncommon 0.33 %

Juno Dera Moa Uncommon 0.33 %

Kuva Ballista Uncommon 0.33 %

Chance of getting it by number of runs

Each run has a 2.01% chance. The curve is 1−(1−p)ⁿ: there is never a guarantee, only growing confidence.