Cast Legolas's Quick Reflexes by paying {G}, targeting Seeker of Skybreak.
Activate Seeker of Skybreak by tapping it, targeting itself.
Seeker of Skybreak triggers, dealing damage equal to its power to Brash Taunter.
Brash Taunter triggers, dealing that much damage to any target.
Resolve the Seeker of Skybreak ability from step 2, untapping it.
Repeat from step 2.

Infinite damage

Brash Taunter

Legolas's Quick Reflexes

Seeker of Skybreak

Cast Legolas's Quick Reflexes by paying {G}, targeting Cacophodon.
Activate Cacophodon by tapping it.
Cacophodon triggers, dealing damage equal to its power to itself.
Cacophodon triggers, untapping itself.
Repeat from step 2.

Infinite colored mana

Cacophodon

Cryptolith Rite

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 Stuffy Doll.
Stuffy Doll triggers, dealing that much damage to the named player
Resolve the Earthcraft trigger, untapping the earthbent land.
Repeat from step 3.

Combos with "Legolas's Quick Reflexes"