Firewurm

Firewurm Horsefly
★★★★
FIRE
Insect/Effect
ATK 800
DEF 2000
While this card is in your Spell & Trap Zone, all "Firewurm" monsters you control gain 500 ATK/DEF. You can only use each of the following effects of "Firewurm Horsefly" once per turn.
● You can target 1 other Insect monster you control; place it face-up in your Spell & Trap Zone as a Continuous Spell.
● You can target 1 Monster Card you control that is treated as a Continuous Spell; destroy it, and if you do, add 1 "Firewurm" card from your Deck to your hand, except "Firewurm Horsefly".

Firewurm Bluebottle
★★★★
FIRE
Insect/Effect
ATK 1500
DEF 1600
You can target 1 other Insect monster you control; place it face-up in your Spell & Trap Zone as a Continuous Spell. You can target 1 Monster Card you control that is treated as a Continuous Spell; destroy it, and if you do, add 1 "Firewurm" card from your Deck to your hand, except "Firewurm Bluebottle". If this card is Tributed for the Ritual Summon of a "Firewurm" monster: You can draw 1 card. You can only use each effect of "Firewurm Bluebottle" once per turn.

Firewurm Cluster
★★★★
FIRE
Insect/Effect
ATK 1300
DEF 1500
You can target 1 other Insect monster you control; place it face-up in your Spell & Trap Zone as a Continuous Spell. You can target 1 Monster Card you control that is treated as a Continuous Spell; destroy it, and if you do, add 1 "Firewurm" card from your Deck to your hand, except "Firewurm Cluster". If this card is Normal or Special Summoned: You can Special Summon 1 "Firewurm" monster from your hand, except "Firewurm Cluster". You can only use each effect of "Firewurm Cluster" once per turn.

Firewurm Sandfly
★★★★
FIRE
Insect/Effect
ATK 1700
DEF 200
You can target 1 other Insect monster you control; place it face-up in your Spell & Trap Zone as a Continuous Spell. You can target 1 Monster Card you control that is treated as a Continuous Spell; destroy it, and if you do, add 1 "Firewurm" card from your Deck to your hand, except "Firewurm Sandfly". If this card is destroyed by battle or card effect: You can target 1 "Firewurm" monster in your GY, except "Firewurm Sandfly"; add it to your hand. You can only use each effect of "Firewurm Sandfly" once per turn.

Firewurm Fruitfly
★★★★
FIRE
Insect/Effect
ATK 1900
DEF 100
You can target 1 other Insect monster you control; place it face-up in your Spell & Trap Zone as a Continuous Spell. You can target 1 Monster Card you control that is treated as a Continuous Spell; destroy it, and if you do, add 1 "Firewurm" card from your Deck to your hand, except "Firewurm Fruitfly". If this card is destroyed by battle or card effect: You can Special Summon 1 "Firewurm" monster from your Deck, except "Firewurm Fruitfly". You can only use each effect of "Firewurm Fruitfly" once per turn.

Firewurm Housefly
★★★★
FIRE
Insect/Effect
ATK 1600
DEF 1500
You can target 1 other Insect monster you control; place it face-up in your Spell & Trap Zone as a Continuous Spell. You can target 1 Monster Card you control that is treated as a Continuous Spell; destroy it, and if you do, add 1 "Firewurm" card from your Deck to your hand, except "Firewurm Housefly". If this card is destroyed by battle or card effect: You can add 1 "Firewurm" monster from your Deck to your ahdn, except "Firewurm Housefly". You can only use each effect of "Firewurm Housefly" once per turn.

Firewurm Drainfly
★★★★
FIRE
Insect/Effect
ATK 100
DEF 0
You can target 1 other Insect monster you control; place it face-up in your Spell & Trap Zone as a Continuous Spell. You can target 1 Monster Card you control that is treated as a Continuous Spell; destroy it, and if you do, add 1 "Firewurm" card from your Deck to your hand, except "Firewurm Drainfly". If this card is in your hand: You can target 1 "Firewurm" card you control, except "Firewurm Drainfly"; destroy it, then Special Summon this card. You can only use each effect of "Firewurm Drainfly" once per turn.

Firewurm Lacewing
★★★★
FIRE
Insect/Effect
ATK 1800
DEF 600
You can target 1 other Insect monster you control; place it face-up in your Spell & Trap Zone as a Continuous Spell. You can target 1 Monster Card you control that is treated as a Continuous Spell; destroy it, and if you do, add 1 "Firewurm" card from your Deck to your hand, except "Firewurm Lacewing". If this card is destroyed by battle or card effect: You can target 1 "Firewurm" monster you control, except "Firewurm Lacewing"; it gains 1000 ATK until the end of this turn, also other monsters cannot attack for the rest of this turn. You can only use each effect of "Firewurm Lacewing" once per turn.

Firewurm Freshfly
★★★★
FIRE
Insect/Effect
ATK 1400
DEF 2000
You can target 1 other Insect monster you control; place it face-up in your Spell & Trap Zone as a Continuous Spell. You can target 1 Monster Card you control that is treated as a Continuous Spell; destroy it, and if you do, add 1 "Firewurm" card from your Deck to your hand, except "Firewurm Freshfly". If this card is Tributed for the Ritual Summon of a "Firewurm" monster: You can Special Summon this card, but banish it when it leaves the field. You can only use each effect of "Firewurm Freshfly" once per turn.

Blastzebub, Lord of the Fireflies
★★★★★★★
FIRE
Insect/Ritual/Effect
ATK 2500
DEF 2000
(This card is always treated as a "Firewurm" monster.)
[MULTIPLE: You may have up to 5 cards with this card's name in your Main and Side Decks combined.]
You can Ritual Summon this card with "Firewurm Ritual". You can only use each of the following effects of "Blastzebub, Lord of the Fireflies" once per turn.
● You can target 1 "Firewurm" monster in your GY; place it face-up in your Spell & Trap Zone as a Continuous Spell.
● (Quick Effect): You can target 1 card in your Spell & Trap Zone and 1 monster your opponent controls; destroy the first target, send the second target to the GY, then you can draw 1 card.

Firewurm Ritual
Ritual Spell
This card can be used to Ritual Summon "Blastzebub, Lord of the Fireflies" from your hand or GY. You must also Tribute monsters from your hand or field and/or skip any number of your next Draw Phases and substitute each of them for a Level of that Ritual Monster (max. 3), whose total Levels equal 7 or higher. You can only activate 1 "Firewurm Ritual" per turn.