As long as Ratonhnhaké꞉ton hasn't dealt damage yet, it has hexproof and can't be blocked.
Whenever Ratonhnhaké꞉ton deals combat damage to a player, create a 1/1 black Assassin creature token with menace. When you do, return target Equipment card from your graveyard to the battlefield, then attach it to that token.
(05/07/2024)
You don't choose a target for Ratonhnhaké:ton's last ability at the time it triggers. Rather, a second "reflexive" ability triggers when you create an Assassin token this way. You choose a target for that ability as it goes on the stack. Each player may respond to this triggered ability as normal.
(05/07/2024)
You may target an Equipment card with the reflexive triggered ability that can't legally be attached to the Assassin token. If you do, it will enter the battlefield unattached.