Infinite creature ETBInfinite creature LTBInfinite death triggersInfinite creature sacrifice triggers
How it works
Activate Ashnod's Altar by sacrificing Scion Summoner, adding CC.
When Scion Summoner dies, Nim Deathmantle triggers, causing you to pay 4 to return Scion Summoner from your graveyard to the battlefield and attach Nim Deathmantle to it.
When Scion Summoner enters, it triggers, creating a creature token.
Activate Ashnod's Altar by sacrificing a creature token, adding CC.