Phyrexian Altar + Thornbite Staff + Thraben Doomsayer

W identity

Commander legal

The 3 combo pieces

• Phyrexian Altar
• Thornbite Staff
• Thraben Doomsayer

What must be in place

Thraben Doomsayer does not have summoning sickness.
Thornbite Staff attached to Thraben Doomsayer.

How to execute it

1. Activate Thraben Doomsayer by tapping it, creating a 1/1 Human creature token.
2. Activate Phyrexian Altar by sacrificing the Human, adding one mana of any color.
3. When the Human dies, Thraben Doomsayer triggers, untapping Thraben Doomsayer.
4. Repeat.

What the combo produces

• Infinite colored mana
• Infinite creature LTB
• Infinite damage
• Infinite death triggers
• Infinite ETB
• Infinite sacrifice triggers