Scarecrone
Thornbite Staff
Su-Chi
Phyrexian Altar

   Prerequisites

What do I need to start this combo?
All permanents on the battlefield.
Thornbite Staff attached to Scarecrone. Scarecrone does not have summoning sickness.

   Steps

How does this combo work?
1
Activate Phyrexian Altar by sacrificing Su-Chi, adding one mana of any color.
2
Su-Chi dies, triggering itself and Scarecrone.
3
Resolve the Su-Chi trigger, adding .
4
Resolve the Scarecrone trigger, untapping it.
5
Activate Scarecrone's second ability by paying 4 and tapping it, returning Su-Chi from your graveyard to the battlefield.
6
Repeat.

   Results

What do I get from this combo?
Infinite colored mana
Infinite colorless mana
Infinite death triggers
Infinite ETB
Infinite LTB
Infinite sacrifice triggers