1Activate Ashnod's Altar by sacrificing Silvergill Mentor, adding .
2When Silvergill Mentor dies, Nim Deathmantle triggers, causing you to pay to return Silvergill Mentor from your graveyard to the battlefield and attach Nim Deathmantle to it.
3When Silvergill Mentor enters, it triggers, creating a creature token.
4Activate Ashnod's Altar by sacrificing a creature token, adding .