"Equiste" refers to an order of Roman warriors who fought on horseback. Since "Equiste" is actually a plural form of the singular "eques", a more accurate name might be "Dragoeques". However, the use of the plural word is likely a reference to the fact that "Drago-Equiste" is a Fusion Monster.
This card's last effect is similar to "Morphtronic Lantron's" ATK-effect. Both monster also need to stay in Attack Position to get this effect.
Interestingly, in the anime this is a Fusion of Yusei Fudo's two favorite cards, "Stardust Dragon" and "Junk Warrior". It's effect allows it to be treated as "Stardust Dragon" in a manner similar to effect of "Junk Warrior", where it gets stronger based on cards you've already played. It's second effect is very defensive, reflecting Yusei's overall style of play.
Despite the symbolism of it's Fusion Materials from the anime, this monster looks more like "Stardust Dragon" was fused with "Gaia Knight, the Force of the Earth". "Gaia Knight", however, does bear similarities with lots of other cards Yusei uses, like "Junk Warrior", and the various Machine-Types.
Despite being meant as a counter against the "Meklord Emperors", oddly enough Yusei never used this card against Yliaster.
What's even more odd is that this card is actually much more effective than using "Shooting Star Dragon", as "Meklord Emperors" can only absorb Synchros, while "Draco-Equiste" is a Fusion. "Shooting Star Dragon" is still a Synchro, thus it relies on its effect (which can be negated) to avoid the absorbing effect, while "Draco-Equiste" is unaffected by default, due to being a Fusion.
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