Declare Erinis as an attacker.
Erinis and Tanuki Transplanter each trigger.
Resolve Erinis's trigger, returning a Forest from your graveyard to the battlefield.
Resolve Tanuki Transplanter's trigger, adding {G}{G}{G} that is not lost until end of turn.
Deal combat damage with Erinis.
In your postcombat main phase, activate Orcish Lumberjack by tapping it and sacrificing a Forest, adding {R}{R}{R}.
Activate Aggravated Assault by paying {3}{R}{R}, untapping all creatures you control and generating an additional combat phase and main phase after this one.
Move to your next combat phase.
Repeat.

Infinite combat phases

Infinite green mana

Infinite landfall triggers

Aggravated Assault

Orcish Lumberjack

Erinis, Gloom Stalker

Tanuki Transplanter

Declare Tanuki Transplanter and Najeela as attackers.
Tanuki Transplanter and Najeela trigger.
Resolve the Tanuki Transplanter trigger, adding at least {5}.
Resolve the Najeela trigger, creating a 1/1 Warrior creature token that is tapped and attacking.
Activate Najeela by paying {5}, untapping all attacking creatures, giving them trample, lifelink and haste, and gaining an additional combat phase after this one.
Repeat each combat phase.

Infinite creature tokens with haste

Infinite card draw

Infinite colorless mana

Infinite draw triggers

Infinite colored mana

Infinite creature ETB

Infinite lifegain

Infinite lifegain triggers

Najeela, the Blade-Blossom

Chromatic Orrery

Mycosynth Lattice

Activate Reflection of KIki-Jiki by paying {1} and tapping it, creating a token copy of Combat Celebrant with haste.
Declare Tanuki Transplanter and Combat Celebrant token as attackers, choosing to exert Combat Celebrant as it attacks.
When you attack, Tanuki Transplanter and the Combat Celebrant token trigger.
Resolve the token's trigger, untapping all other creatures you control and causing you to get an additional combat phase after this one.
Resolve Tanuki Transplanter's trigger, adding mana.
Repeat.

Combos with "Tanuki Transplanter"