Pattern of Rebirth | Mortuary | Boonweaver Giant

(and one other card)

Activate
Phyrexian Altar by sacrificing
Boonweaver Giant, adding one mana of any color.
When
Boonweaver Giant dies,
Mortuary and
Pattern of Rebirth trigger.
Resolve the
Mortuary trigger, putting
Boonweaver Giant on the bottom of your library from your graveyard.
Resolve the
Pattern of Rebirth trigger, putting
Boonweaver Giant from your library onto the battlefield.
When
Boonweaver Giant enters the battlefield, it triggers, returning
Pattern of Rebirth from your graveyard to the battlefield attached to
Boonweaver Giant.
Repeat.