Once Wishclaw Talisman runs out of wish counters, it remains on the battlefield. You can't activate its last ability at all.
2019-10-04
You choose which opponent gains control of Wishclaw Talisman while its ability is resolving. If that player later leaves the game, you regain control of Wishclaw Talisman.
This artifact enters with three wish counters on it.
, , Remove a wish counter from this artifact: Search your library for a card, put it into your hand, then shuffle. An opponent gains control of this artifact. Activate only during your turn.
, 
, Remove a wish counter from this artifact: Search your library for a card, put it into your hand, then shuffle. An opponent gains control of this artifact. Activate only during your turn.