"From your collection" means aside from the game. You can fish anything of any aspect that can comply the requirements (weapon upgrade).

• There is the self updating List of weapon upgrades avaiable for this card

Notable mentions and comboes as of 11th October 2025:

mostly weapons with counters, since the swapping means refreshing counters which means infinite ammo:

• A second Sonic Rifle for a permanent CONFUSION status card every turn.
• A second Plasma Pistol to pew pew chipping infinitely.
• A second Stun Gun to spend a single counter and perma STUN a powerful ELITE minion infinitely.
• • Note: All these weapons so far can be mix and matched together
• Bambino ignores restrictions as long as you had the swapped weapon attached to you. unortunately, there is no current hero-attachable weapon aside from cross-player combo of being gifted S.H.I.E.L.D. Deputy + S.H.I.E.L.D. Sidearm or another Bambino
• Laser Swords if you are an icon crackhead, to swap in when the time is right (aka Live Dangerously)
• Godslayer with a discount by playing 1-cost weapon upgrade like Sidearm or Jarnbjorn (probably not worth)

Quick note: you will need Side Holster if planning to use a RESTRICTED weapon WITH your 2x Deadpool's Katana