Trickster's Talisman is a uncommon Artifact — Equipment card from Adventures in the Forgotten Realms (AFR), collector number 79. Current market price: $0.26 (foil $0.25), TCGplayer market prices via Scryfall.
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 {2}