Give Sporeweb Weaver indestructible by any method.
Cause a creature to enter the battlefield under your control.
Halana triggers, causing you to pay {2} to have that creature deal damage equal to its power to Sporeweb Weaver.
Sporeweb Weaver triggers, causing you to gain 1 life and create a 1/1 Saproling creature token.
When the Saproling enters the battlefield, Halana triggers.
Holding priority, activate Ashnod's Altar by sacrificing the Saproling, adding {C}{C}.
Resolve the Halana trigger, causing you to pay {2} to deal 1 damage to Sporeweb Weaver.
Repeat from step 4.

Infinite death triggers

Infinite ETB

Infinite lifegain

Infinite lifegain triggers

Infinite LTB

Infinite sacrifice triggers

Halana, Kessig Ranger

Sporeweb Weaver

Ashnod's Altar

Give Hornet Nest indestructible, if needed.
Cause a creature to enter the battlefield under your control.
Halana triggers, causing you to pay {2} to have that creature deal damage equal to its power to Hornet Nest.
Hornet Nest triggers, causing you to create a number of 1/1 Insect creature tokens equal to the damage dealt.
When the Insect(s) enters the battlefield, Halana triggers that many times.
Holding priority, activate Ashnod's Altar by sacrificing an Insect, adding {C}{C}.
Resolve the Halana trigger, causing you to pay {2} to deal 1 damage to Hornet Nest.
Repeat from step 4.

Hornet Nest

Cause a creature to enter the battlefield under your control.
Halana triggers, causing you to pay {2} to have that creature deal damage equal to its power to Polyraptor.
Polyraptor triggers.
Holding priority, activate Ashnod's Altar by sacrificing Polyraptor, adding {C}{C}.
Resolve the Polyraptor trigger, creating a token copy of it.
When the Polyraptor token enters the battlefield, Halana triggers, causing you to pay {2} to have the Polyraptor token deal damage equal to its power to itself.
Repeat from step 3.

Polyraptor

Give Vrondiss indestructible, if needed.
Cause a creature to enter the battlefield under your control.
Halana triggers, causing you to pay {2} to have that creature deal damage equal to its power to Vrondiss.
Vrondiss' first ability triggers, causing you to create a 5/4 Dragon Spirit creature token.
When the Dragon Spirit enters the battlefield, Halana triggers.
Holding priority, activate Ashnod's Altar by sacrificing the Dragon Spirit, adding {C}{C}.
Resolve the Halana trigger, causing you to pay {2} to deal 1 damage to Vrondiss.
Repeat from step 4.

Vrondiss, Rage of Ancients

Give Overgrown Armasaur indestructible, if needed.
Cause a creature to enter the battlefield under your control.
Halana triggers, causing you to pay {2} to have that creature deal damage equal to its power to Overgrown Armasaur.
Overgrown Armasaur triggers, causing you to create a 1/1 Saproling creature token.
When the Saproling enters the battlefield, Halana triggers.
Holding priority, activate Ashnod's Altar by sacrificing the Saproling, adding {C}{C}.
Resolve the Halana trigger, causing you to pay {2} to deal 1 damage to Overgrown Armasaur.
Repeat from step 4.

Overgrown Armasaur

Give Broodhatch Nantuko indestructible, if needed.
Cause a creature to enter the battlefield under your control.
Halana triggers, causing you to pay {2} to have that creature deal damage equal to its power to Broodhatch Nantuko.
Broodhatch Nantuko triggers, causing you to create a number of 1/1 Insect creature tokens equal to the damage dealt.
When the Insect(s) enters the battlefield, Halana triggers that many times.
Holding priority, activate Ashnod's Altar by sacrificing an Insect, adding {C}{C}.
Resolve the Halana trigger, causing you to pay {2} to deal 1 damage to Broodhatch Nantuko.
Repeat from step 4.

Broodhatch Nantuko

Give Raptor Hatchling indestructible, if needed.
Cause a creature to enter the battlefield under your control.
Halana triggers, causing you to pay {2} to have that creature deal damage equal to its power to Raptor Hatchling.
Raptor Hatchling triggers, causing you to create a 3/3 Dinosaur creature token.
When the Dinosaur enters the battlefield, Halana triggers.
Holding priority, activate Ashnod's Altar by sacrificing the Dinosaur, adding {C}{C}.
Resolve the Halana trigger, causing you to pay {2} to deal 1 damage to Raptor Hatchling.
Repeat from step 4.

Raptor Hatchling

Give Saber Ants indestructible, if needed.
Cause a creature to enter the battlefield under your control.
Halana triggers, causing you to pay {2} to have that creature deal damage equal to its power to Saber Ants.
Saber Ants triggers, causing you to create a 1/1 Insect creature token.
When the Insect enters the battlefield, Halana triggers.
Holding priority, activate Ashnod's Altar by sacrificing the Insect, adding {C}{C}.
Resolve the Halana trigger, causing you to pay {2} to deal 1 damage to Saber Ants.
Repeat from step 4.

Saber Ants

Cast Soul Collector by paying {3}{B}{B}.
When Soul Collector enters the battlefield, Halana triggers, causing you to pay {2} to have Soul Collector deal damage equal to its power to itself.
Activate Ashnod's Altar by sacrificing Soul Collector, adding {C}{C}.
When Soul Collector dies, it triggers, returning itself from your graveyard to the battlefield.
Repeat from step 2.

Soul Collector

Cast Dread Slaver by paying {3}{B}{B}.
When Dread Slaver enters the battlefield, Halana triggers, causing you to pay {2} to have Dread Slaver deal damage equal to its power to itself.
Activate Ashnod's Altar by sacrificing Dread Slaver, adding {C}{C}.
When Dread Slaver dies, it triggers, returning itself from your graveyard to the battlefield.
Repeat from step 2.

Combos with "Halana, Kessig Ranger"