Blade of the Bloodchief is attached to Putrid Goblin.
Steps
1Activate Ashnod's Altar by sacrificing Puppeteer Clique, adding .
2Puppeteer Clique dies, triggering its persist ability and Blade of the Bloodchief.
3Resolve the Puppeteer Clique trigger, returning it from your graveyard to the battlefield with a -1/-1 counter on it.
4Puppeteer Clique enters the battlefield, putting target creature from an opponent's graveyard onto the battlefield under your control until end of turn.
5Resolve the Blade of the Bloodchief trigger, putting a +1/+1 counter on Putrid Goblin.
6Equip Blade of the Bloodchief to Puppeteer Clique by paying .
7Activate Ashnod's Altar by sacrificing Putrid Goblin, adding .
8Putrid Goblin dies, triggering its persist ability and Blade of the Bloodchief.
9Resolve Putrid Goblin's trigger, returning it from your graveyard to the battlefield with a -1/-1 counter on it.
10Resolve the Blade of the Bloodchief trigger, putting a +1/+1 counter on Puppeteer Clique.
11Equip Blade of the Bloodchief to Putrid Goblin by paying .