Wild Card is an origin trait in Destiny 2 that can appear on 27 weapons. An enhanced version exists on crafted and some newer weapons.
What Wild Card does
Final blows with this weapon have a chance to create experimental submunitions at the target's location.
Enhanced version
Final blows with this weapon have a chance to create experimental submunitions at the target's location. Cooldown between activations reduced.
Weapons that can roll Wild Card (27)
Astral HorizonKinetic · Shotgun
Chain of CommandStasis · Machine Gun
Crux Celeritas IVStrand · Rocket Launcher
Crux Termination IVArc · Rocket Launcher
Ded Gramarye IVArc · Shotgun
Hushed WhisperStrand · Combat Bow
Luna Regolith IIISolar · Sniper Rifle
MaledictionKinetic · Hand Cannon
Mos Athanor IVVoid · Hand Cannon
Neoptolemus IIKinetic · Combat Bow
Nox Perennial VStrand · Fusion Rifle
Nox Sidereal IVStasis · Fusion Rifle
Point of the StagArc · Combat Bow
Pre Astyanax IVSolar · Combat Bow
Pre Astyanax IV (Adept)Solar · Combat Bow
Psi Aeterna IVArc · Pulse Rifle
Psi Hermetic VStasis · Pulse Rifle
Qua Furor VStasis · Machine Gun
Qua Nilus IIStrand · Submachine Gun
Qua Vinctus IVStrand · Machine Gun
Qua Xaphan VVoid · Machine Gun
ResoundingStrand · Fusion Rifle
Returned MemorySolar · Sidearm
Ros Arago IVVoid · Auto Rifle
Sixth SenseStrand · Hand Cannon
The ScholarStrand · Scout Rifle
Willful HamartiaArc · Linear Fusion Rifle