Yes. As long as the spell has the Artifact type, the Etherium Sculpter's ability will reduce it's casting cost by one colorless mana. Artifacts, artifact creatures, even mono and poly artifacts (if your really old school) all have their casting costs reduced.
If a creature has Intimidate, when it attacks, it can only be blocked by creatures that share a colour with it, or artifact creatures.
An Artifact Creature is simply a creature who is also an artifact. It is subject to all normal rules regarding both creatures and artifacts, and if a spell can be used against a creature or an artifact, it can be used on that creature.
Some notable MTG 4-color legendary creatures include Yidris, Maelstrom Wielder, Atraxa, Praetors' Voice, and Breya, Etherium Shaper. Yidris has the ability to give spells cascade, Atraxa can proliferate various counters, and Breya can sacrifice artifacts to deal damage or gain life.
No, negative counters do not have the ability to eliminate creatures with indestructible.
An artifact for Julia could be a test report that shows the results of running unit tests on her code. This artifact can demonstrate her ability to write reliable and high-quality code that passes all test cases.
Creatures such as vampires, succubi, and certain types of demons are known for their ability to drain the life force of their victims.
To search for specific artifacts in Magic: The Gathering using an artifact tutor card, you should first identify the name or type of artifact you want to find. Then, use the tutor card's ability to search your deck for that specific artifact and put it into your hand. This allows you to efficiently locate and retrieve the desired artifact during gameplay.
Spore creatures cannot be permanently invisible, there's an ability called sneak that lets you temporarily be invisible to other creatures other then your own.
The ability of "first strike" allows a creature to deal damage before creatures without this ability. When blocking multiple creatures, a creature with first strike can potentially eliminate one or more attackers before they can deal damage back, giving it an advantage in combat.
No, not all creatures have hexproof in this game. Hexproof is an ability that some creatures may have, which means they cannot be targeted by spells or abilities your opponents control.
Yes, board wipes can eliminate indestructible creatures because they do not specifically target or destroy creatures, but rather remove all creatures from the battlefield at once. Indestructible creatures are not immune to this type of effect.
In Magic: The Gathering, you can use the ability "regenerate" to protect your creatures from destruction by paying the regeneration cost when they would be destroyed. This ability allows you to tap into a creature's ability to heal and prevent it from being destroyed, keeping it on the battlefield for future use.