Trickster's Talisman
Artifact — Equipment
Invoke Duplicity — Equipped creature gets +1/+1 and has "Whenever this creature deals combat damage to a player, you may sacrifice Trickster's Talisman. If you do, create a token that's a copy of this creature."
Equip 
"Lady Luck, smile on me!"
Sam White
Rulings
If your Trickster's Talisman is somehow equipped to a creature another player controls, that player will not be able to sacrifice Trickster's Talisman as the triggered ability resolves as they don't control it.
(wotc • 2021-07-23)
Rulings
If your Trickster's Talisman is somehow equipped to a creature another player controls, that player will not be able to sacrifice Trickster's Talisman as the triggered ability resolves as they don't control it.
(wotc • 2021-07-23)