Cc such friends I worked hard on this analysis I hope you like it
General description:

Effect de Red-Eyes Darkness Metal Dragon
You can Special Summon this card from your hand by removing from play 1 face-up Dragon-Type monster you control. Once per turn, during your Main Phase, you can Special Summon 1 Dragon-Type monster except "Red-Eyes Darkness Metal Dragon" from your hand or graveyard
rulings:
The effect that Special Summons a Dragon-Type monster can not be used for this purpose convoke
Red-Eyes Darkness Metal Dragon" and "Dark Simorgh" can convoke by Tribute. You may also be Special Summoned from the graveyard with another card effect, even if the monster is sent directly to the cemetery of your hand or Deck
You can remove from play a Dragon-Type monster from the field to Special Summon "Red-Eyes Darkness Metal Dragon" to the field
Uses:
This letter is the most extractors important of a chaos dragon deck because its effect can call monstrios excellent dragon type that can help us to win a match in a very fast.
Strategies and game play:
For me the best strategy of this letter is in effect as it can trer dragon type monsters to the field and not only monsters but also a high Atk monsters with good effect to give you a return to a duel to us this complicated
Combos with other cards:

Red-Eyes Darkness Metal Dragon + Wyvern Eclipse:
This combo is roasted when Eclipse wyvern of going to the serious and activates its effect to find and remove a monster game 7 or higher level of play to that effect and we retired to Red-Eyes Darkness Metal Dragon so that when Ecipse wyvern is take wing hand removed without any problem.

Scrap Dragon + Red Dragon Archfiend + Red-Eyes Darkness Metal Dragon:
In this combo you need to have the three dragons in the field aciva the effect of Scrap Dragon and Red Dragon Archfiend is destroyed and then the effect of Red-Eyes Darkness Metal Dragon returns from the grave a Dragon Archfiend if you're lucky in this combo the opponent is finished.

Lightpulsar Dragon + Red-Eyes Darkness Metal Dragon: This combo is roasted when Lightpulsar Dragon is destroyed and sent to the grave with its effect revives Red-Eyes Darkness Metal Dragon's grave and on your turn to Lightpulsar revies Dragon with the effect of network -Eyes Darkness Metal Dragon.

Allure of Darkness + D.D.R. - Different Dimension Reincarnation:
This combo is activated first desterar Allure of Darkness for the game to Red-Eyes Darkness Metal Dragon to draw two cards and then activated DDR - Different Dimension Reincarnation to bring to the field.

Red-Eyes Wyvern + Red-Eyes Darkness Metal Dragon: This combo if Red-Eyes Darkness Metal Dragon is in the grave and Red-Eyes Wyvern is also sent to the severe revives Red-Eyes Darkness Metal Dragon Red-Eyes stirring Wyvern's grave.

Future Fusion + The Dark Creator:
Activates Future Fusion to send three dark dragons and two copies of Red-Eyes Darkness Metal Dragon to serious then invoked especially The Dark Creator and its effect remove a dark monster to revive Red-Eyes Darkness Metal Dragon.

Divine Dragon Apocralyph + Red-Eyes Darkness Metal Dragon:
Divine Dragon is summoned to the field Apocralyph then activates its effect and liramos a letter from our hand to the grave to bring Red-Eyes Darkness Metal Dragon to your hand then stir to Divine Dragon with Bocar Apocralyph for Red-Eyes Darkness Metal Dragon the field.

Foolish Burial + Monster Reborn:
Foolish Burial is activated to carry Red-Eyes Darkness Metal Dragon to the grave then revive with monster reborn.

Darkflare Dragon + Monster Reborn:
Effect is activated to rule Darkflare Dragon card in your hand and Red-Eyes Darkness Metal Dragon's deck to later revive Red-Eyes Darkness Metal Dragon with Monster Reborn.

Dragon + D.D.R. Darkflare - Different Dimension Reincarnation:
Using Dragon Darkflare effect to discard a card from his hand and over the deck and its effect to remove Red-Eyes Darkness Metal Dragon and later bring it to the field through DDR - Different Dimension Reincarnation.

Dark Armed Dragon + Escape from the Dark Dimension:
Activates the effect of Dark Armed Dragon to remove the serious to Red-Eyes Darkness Metal Dragon and then activated the trap Escape from the Dark Dimension to bring the field to Red-Eyes Darkness Metal Dragon.

Burial from a Different Dimension + Call Of The Haunted:
They return three monsters removed from play with Burial from a Different Dimension and later activates the trap mind Call Of The Haunted to return to the field to Red-Eyes Darkness Metal Dragon
Ways to counteract it:

Solemn Warning

Solemn Judgment

Bottomless Trap Hole

Royal Prison Skill Drain

Shadow-Imprisoning Mirror

Fiendish Chain

Dark hole Messenger of Peace

Book of Moon

Evolza Dolkka

Evolza Laggia
Strengths/Pros:
His attack excellent 2800.
It has a very good defense 2400.
the effect
It is very fasil summon to the field
Weaknesses/Cons:
It is a tasting vulnerable to the effects of all the effect of destroying letters.
Variations:

SP = Short Print (Common);

SSP = Super Short Print (Common);

Duel Terminal DNPR = Normal Parallel Rare;

DRPR = Duel Terminal Parallel Rare Rare;

DSPR = Duel Terminal Parallel Super Rare;

DUPR = Duel Terminal Parallel Ultra Rare;
Artwork and aesthetics:
The menu has a great image is one of my favorite cards I like.
Overall rating:
It's a great letter to me of the most powerful duel monsters of my rating is 9