Dune-Brood Nephilim does not have summoning sickness.
An opponent is unable to block
Hellkite Charger and
Dune-Brood Nephilim.
You control at least eight lands.
Steps
Declare
Dune-Brood Nephilim and
Hellkite Charger as attackers.
Hellkite Charger triggers, causing you to pay ({5} magic symbol) ({R} magic symbol) ({R} magic symbol) to untap all attacking creatures you control and to get an additional combat phase after this one.
Deal combat damage with
Dune-Brood Nephilim.
Dune-Brood Nephilim triggers, creating a 1/1 Sand creature token for each land you control.
Hellkite Charger trigger, causing you to pay ({5} magic symbol) ({R} magic symbol) ({R} magic symbol) to untap all attacking creatures you control and to get an additional combat phase after this one.
Repeat from step 3.
Results
Infinite colored mana.
Infinite combat damage.
Infinite ETB.
Infinite LTB.
Infinite combat phases.
Infinite creature tokens.
Infinite death triggers.
Infinite sacrifice triggers.
Metadata
In 1 deck according to EDHREC.
Bracket Tag
This combo has been estimated to be Exhibition (Bracket 1+).