Sakashima of a Thousand Faces + Sidar Kondo of Jamuraa + Boonweaver Giant + Next of Kin + Altar of Dementia

Sakashima of a Thousand Faces

Sidar Kondo of Jamuraa

Boonweaver Giant

Next of Kin

Altar of Dementia

How it works

1. Activate Altar of Dementia by sacrificing Sakashima.
2. Choose to put Sakashima into the command zone from your graveyard.
3. Next of Kin triggers, putting Sakashima from the command zone onto the battlefield as a copy of Boonweaver Giant.
4. Sakashima enters the battlefield, returning Next of Kin from your graveyard to the battlefield attached to Sakashima.
5. Resolve the Altar of Dementia ability from step 1, causing target player to mill cards equal to Sakashima's power.
6. Repeat.