Artifact

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Artifact

Postby Jonathan » Sat Sep 01, 2018 12:27 am

It's a thing? Or is it? I can't find out if it's playable by plebes such as myself.

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FAQ
https://www.artifactfire.com/
https://articraft.io/stats/draft/meta
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Re: Artifact

Postby Alan » Sun Sep 02, 2018 3:15 am

It’s not out yet. I am considering trying it, but may just stick with TESL. There’s no free to play option with Artifact, you have to buy packs.
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Re: Artifact

Postby Jonathan » Wed Sep 26, 2018 6:36 pm

https://www.pcgamesn.com/artifact/artif ... ling-cards

Dev alludes to the announcement of an open beta before launch Nov 28, but no date yet. The beta is running right now, but it is a closed beta.
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Re: Artifact

Postby Jonathan » Sun Sep 30, 2018 11:39 pm

Just exploring hypothetical mana curves. Even with lots of small cards, you often wind up with lanes where you can't play a new card. Developing improvements, using abilities, and buying items is extremely important.

Deck Format: 1s 2s 3s 4s 5s 6s 7+s

Game ends in Turn 8 (max 155 mana)
The final optimal deck:00 00 00 03 14 08 15
The expected mana spent for this deck:114.95207(min: 89)

Game ends in Turn 7 (max 126 mana)
The final optimal deck:00 00 00 09 12 08 11
The expected mana spent for this deck:95.29912(min: 75)

Game ends in Turn 6 (max 99 mana)
The final optimal deck:00 00 00 17 08 08 07
The expected mana spent for this deck:76.73265(min: 59)

Game ends in Turn 5 (max 75 mana)
The final optimal deck:00 00 04 15 10 07 04
The expected mana spent for this deck:59.06466(min: 42)

Game ends in Turn 4 (max 54 mana)
The final optimal deck:00 00 12 14 09 05 00
The expected mana spent for this deck:43.347255(min: 32)

Game ends in Turn 3 (max 36 mana)
The final optimal deck:00 00 21 12 07 00 00
The expected mana spent for this deck:30.48043(min: 18)
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Re: Artifact

Postby Alan » Mon Oct 01, 2018 7:15 pm

How are you calculating those mana curves? Why do they all give decks that have zero 1 and 2 mana cards?
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Re: Artifact

Postby Jonathan » Mon Oct 01, 2018 8:09 pm

I ripped the algorithm from some dude for MtG, then I modified it to handle the Artifact ruleset. The algorithm is doing an exhaustive search over deck combinations, but uses Monte Carlo simulation (n=200000) to calculate the average Mana spent since a closed form is too hard to write. The exhaustive search is too time consuming, so he eliminates some bad deck combinations using a gridded search. It reruns the exhaustive search near the outcome of the gridded search until it converges on a result.

The code is still pretty slow and shitty Java. I might just rewrite it in C++ so it can do 8s and 9s. I think it would be interesting to have top N decks instead of top 1, too.

I'm assuming you play your biggest card(s) in hand in each lane, and then i go down the list in order. I'm giving the odds of an extra draw as 1/6 every round because I think that's the odds you get offered a Potion of Knowledge in the shop. After all the lanes are exhausted, you draw two cards from your deck and repeat. Games are a fixed length of turns.

I'm ignoring color, disruption, and hero death.

The first turn of Artifact, you have 3 Mana per Lane and 5 cards in hand. So, 1s and 2s don't help you stay on curve because you already have 3 Mana. Unless you have significant card draw in your deck, you quickly exhaust your hand if your deck has 1s and 2s and fall behind on Mana spent.

In actual play, 1s and 2s seem good for triggering procs of passive hero abilities, but significantly weaker than 3s and 4s. It's common to build a deck with zero 1s and 2s. It's not uncommon to spend zero Mana on the first turn, either. You really need a lot of 3s to get anywhere near 9 Mana spent your first turn.

Because heroes, melee creeps, and items enter play without use of Mana, you can develop board state without playing on curve in this game.
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Re: Artifact

Postby Alan » Mon Oct 01, 2018 10:25 pm

Didn’t realize that the games start on 3 mana per lane. That definitely makes 1-2 mana cards a lot less valuable and probably only worth including to take advantage of certain synergies.
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Re: Artifact

Postby Jonathan » Sun Oct 21, 2018 12:10 am

Beta only ten days before launch on Nov 28.

https://www.artifactfire.com/artifact/n ... discovered
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