Boonweaver Giant + Shilgengar, Sire of Famine + Gift of Immortality

Boonweaver Giant

Shilgengar, Sire of Famine

Gift of Immortality

How it works

1. Activate Shilgengar by sacrificing Boonweaver Giant
2. When Boonweaver Giant dies, Gift of Immortality triggers, returning Boonweaver Giant from your graveyard to the battlefield
3. When Boonweaver Giant enters, it triggers, returning Gift of Immortality from your graveyard to the battlefield attached to Boonweaver Giant.
4. Resolve the Shilgengar ability from step 1.
5. Repeat.