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Name: Convection Giant, Earthmaul
Attribute: FIRE
Rank: 12
Type: Rock
ATK: 3200
DEF: 2800
Effect:
3 level 12 monsters
Once per Turn, During your Standby phase, you can target one monster in your graveyard, attach it to this monster as Xyz Material. if this card has Xyz material, Halve the attack and defence of any monster this card battles during the damage step. When a spell, trap or effect monster effect is activated: you can detach one xyz material from this card; negate the effect and destroy it, this effect cannot be negated.

Name: Primordial Forge of Convection
Attribute: FIRE
Rank: 8
Type: Rock
ATK: 2200
DEF: 3000
Effect:
2 Level 8 Rock-Type monsters
Once per turn, during your end phase: you can select one monster in your graveyard; attach it to this card as xyz material. Once per turn, you can detach one Xyz Material: Special summon one banished Rock-type monster or one rock-type monster from your deck; it's effects are negated while face-up on the field. If this card would be destroyed while it has Xyz Material: you can banish one rock-type monster from your graveyard instead.

Name: Convection Energy
Attribute: SPELL
Type: Normal
Effect: The level of all Rock-type Monsters you control become the sum of their levels. If their levels would exceed 12, destroy all monsters you control and draw one card.

Name: Convection Statue
Attribute: FIRE
Level: 4
Type: Rock/Effect
ATK: 1800
DEF: 1200
Effect: Once per turn, when an effect monster's effect is activated: you can negate the effect and destroy the card; this effect cannot be negated.

Name: Convection Golem
Attribute: FIRE
Level: 4
Type: Rock/Effect
ATK: 1800
DEF: 1200
Effect: Once per turn, when the effect of a trap card is activated: you can negate the effect and destroy the card; this effect cannot be negated.

Name: Convection Doll
Attribute: FIRE
Level: 4
Type: Rock/Effect
ATK: 1800
DEF: 1200
Effect: Once per turn, when the effect of a spell card is activated: you can negate the effect and destroy the card; this effect cannot be negated.

Name: Primordial Earth
Attribute: SPELL
Type: Field
Effect: All Convection Monsters gain 100 attack times the combined level of all Convection monsters on the field. When a card is destroyed by the effect of a "Convection" Monster: destroy one card your opponant controls.

Name: Primordial Magma Flow
Attribute: SPELL
Type: Continuous
Effect: Once per turn: you can Normal summon a "Convection" monster in addition to your normal summon or set.

Name: Primordial Lava Flow
Attribute: SPELL
Type: Continuous
Effect: Once per turn, if a card is destroyed by the effect of a "Convection" card: draw one card.

Name: Primordial Hammer of Convection
Attribute: FIRE
Level: 4
Type: Rock/Effect
ATK: 800
DEF: 2000
Effect: Once per turn: you can return this card from the field to your hand.
During either player's turn, when a "Convection: monster battles an opponant's monster: you can discard this card from your hand to increase that monster's attack and defense by 800 until the end phase.
You can banish this card from your graveyard to add one "Primordial" Spell card from your deck to your hand.

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Name: Convection Miner
Attribute: FIRE
Level: 1
Type: Rock
ATK: 500
DEF: 200
Effect: This card cannot be destroyed by battle. Once per turn you can banish one level 8 or higher "Convection" monster from your graveyard: this monster's level becomes the same as the banished monster.

Edited by Oucyan
* -1800 defense
* Reworded card text

bump

Name: Convection Spirit
Attribute: Fire
Type: Rock
Level: 4
ATK: 200
DEF: 1800
Effect: When this card is summoned: you can pay 500 life points and send this card to the graveyard; special summon one banished level 8 Convection monster during the end phase. You can only activate one "Convection Spirit" per turn.

Edited by Oucyan:
* Reworded text
* changed text to problem solving card text format.

bump