Deal damage to Indoraptor.
Indoraptor and Blazing Sunsteel trigger.
Resolve the Indoraptor trigger, dealing damage to an opponent unless they sacrifice a nontoken creature.
Resolve the Blazing Sunsteel trigger, dealing damage to Indoraptor.
Repeat from step 2.

Infinite damage

Blazing Sunsteel

Indoraptor, the Perfect Hybrid

Deal exactly 1 damage to Indoraptor.
Indoraptor, Rite of Passage and Blazing Sunsteel trigger.
Resolve the Rite of Passage trigger, putting a +1/+1 counter on Indoraptor.
Resolve the Indoraptor trigger, causing it to deal damage equal to its power to a random opponent unless they sacrifice a creature.
Resolve the Blazing Sunsteel trigger, dealing 1 damage to Indoraptor.
Repeat from step 2.

Infinite +1/+1 counters on Indoraptor

Rite of Passage

Deal damage to Indoraptor.
Indoraptor and Fiendlash trigger.
Resolve the Indoraptor trigger, dealing damage to an opponent unless they sacrifice a nontoken creature.
Resolve the Fiendlash trigger, targeting you, but dealing damage to Indoraptor instead due to Pariah's Shield.
Repeat from step 2.

Fiendlash

Pariah's Shield

Deal damage to Indoraptor.
Indoraptor and Repercussion trigger.
Resolve the Indoraptor trigger, dealing damage to an opponent unless they sacrifice a nontoken creature.
Resolve the Repercussion trigger, dealing damage to Indoraptor instead of you due to Pariah's Shield.
Repeat from step 2.

Repercussion

Earthbend a basic land you control.
Cast Legolas's Quick Reflexes by paying {G}, targeting the earthbent land.
Activate Earthcraft by tapping the earthbent land, targeting the earthbent land.
The land triggers, causing it to deal damage equal to its power to Indoraptor.
Indoraptor triggers, dealing that much damage to an applicable target.
Resolve the Earthcraft trigger, untapping the earthbent land.
Repeat from step 3.

Combos with "Indoraptor, the Perfect Hybrid"