Brotherhood of the Fire Fist - Snake

The monster effect "Once per turn, if a 'Fire Formation' Spell/Trap Card is sent to your Graveyard, you can choose 1 'Fire Formation' Trap Card from your Deck and Set it to your field" is a Trigger Effect. (This effect does not target.)

The monster effect "you can choose 1 'Fire Formation' Trap Card from your Deck and Set it to your field" cannot be activated if a "Fire Formation" Spell/Trap Card is sent to your Graveyard during the Damage Step.

The monster effect "If you control no other monsters, once per turn, you can send 2 face-up 'Fire Formation' Spell/Trap Cards you control to the Graveyard; draw 1 card from your Deck" is an Ignition Effect. (This effect does not target.)

When activating the monster effect "draw 1 card from your Deck," you send 2 face-up "Fire Formation" Spell/Trap Cards you control to the Graveyard as the cost.