Najeela, the Blade-Blossom
Dune-Brood Nephilim
Phyrexian Altar

   Prerequisites

What do I need to start this combo?
All permanents on the battlefield.
Dune-Brood Nephilim does not have summoning sickness. An opponent is unable to block Dune-Brood Nephilim. You control at least six lands.

   Steps

How does this combo work?
1
Deal combat damage with Dune-Brood Nephilim.
2
Dune-Brood Nephilim triggers, creating a 1/1 Sand creature token for each land you control.
3
Activate Phyrexian Altar by sacrificing five Sand tokens, adding .
4
Activate Najeela by paying , untapping all attacking creatures, giving them trample, lifelink and haste, and getting an additional combat phase after this one.
5
Repeat.

   Results

What do I get from this combo?
Infinite colored mana
Infinite combat damage
Infinite combat phases
Infinite creature tokens
Infinite death triggers
Infinite ETB
Infinite lifegain
Infinite lifegain triggers
Infinite LTB
Infinite sacrifice triggers