Activate Anzrag by paying {3}{R}{R}{G}{G}, causing opponents to block Anzrag if able this turn.
Declare Anzrag as an attacker, attacking an opponent who controls a creature.
The opponent is forced to block Anzrag, triggering Anzrag, untapping all creatures you control and causing you to get an additional combat phase after this one.
Any combat damage dealt to Anzrag will not kill it due to Anara giving it indestructible.
Repeat from step 3 each combat phase.

Near-infinite combat phases

Near-infinite untap of all creatures you control

Anzrag, the Quake-Mole

Anara, Wolvid Familiar

Activate Anzrag by paying {3}{R}{R}{G}{G}, causing opponents to block Anzrag if able this turn.
Cast Last Night Together by paying {3}{R}{G}, targeting Anzrag and an opposing creature.
Declare Anzrag as an attacker, attacking the opponent who controls the creature targeted in step 2.
The opponent is forced to block Anzrag, triggering Anzrag, untapping all creatures you control and causing you to get an additional combat phase after this one.
Deal combat damage to the opposing creature, with Anzrag not being destroyed to its indestructible ability, and the creature targeted in step 2 also not being destroyed if it blocked Anzrag.
Repeat from step 3 each combat phase.

Infinite combat phases

Infinite untap of creatures you control

Infinite mana creatures you control can produce

Last Night Together

Activate Anzrag by paying {3}{G}{G}{R}{R}, causing opponents to block Anzrag if able this turn.
Cast Darksteel Mutation for {1}{W} targeting the only creature an opponent controls.
Resolve Darksteel Mutation, turning the enchanted creature into a 0/1 Insect artifact creature with indestructible.
Declare Anzrag as an attacker, attacking the opponent who controls the enchanted creature.
The opponent is forced to block Anzrag with the enchanted creature, triggering Anzrag, untapping all creatures you control and causing you to get an additional combat phase after this one.
Repeat from step 4.

Darksteel Mutation

Activate Anzrag by paying {3}{R}{R}{G}{G}, causing opponents to block Anzrag if able this turn.
Cast Obscuring Haze by paying {0} if you control a commander, or {2}{G} otherwise, preventing all combat damage that would be dealt by opposing creatures this turn.
Declare Anzrag as an attacker, attacking any opponent.
If the opponent does not control a creature, activate Forbidden Orchard by tapping it, adding one mana of any color.
If Forbidden Orchard was activated, it triggers, causing the defending opponent to create a 1/1 Spirit creature token.
If Forbidden Orchard was activated, activate Voyaging Satyr by tapping it, untapping Forbidden Orchard.
The opponent is forced to block Anzrag, triggering Anzrag, untapping all creatures you control and causing you to get an additional combat phase after this one.
Any combat damage that would be dealt to Anzrag is prevented by Obscuring Haze.
Repeat from step 3 each combat phase.

Infinite ETB for target opponent

Infinite death triggers for target opponent

Infinite LTB for target opponent

Obscuring Haze

Forbidden Orchard

Voyaging Satyr

Activate Anzrag by paying {3}{R}{R}{G}{G}, causing opponents to block Anzrag if able this turn.
If needed, cast the card preventing combat damage by paying its mana cost or activate it.
Declare Anzrag as an attacker, attacking an opponent who controls a creature.
The opponent is forced to block Anzrag, triggering Anzrag, untapping all creatures you control and causing you to get an additional combat phase after this one.
Any combat damage that would be dealt is prevented due to the damage prevention effect.
Repeat from step 3 each combat phase.

Combos with "Anzrag, the Quake-Mole"