I'm going to write a real review about this card because it's fantastic and deserves it. Let's break down what this card does if you decide to fire it:

1) Draw 3 cards.

2) Pick ANY CARD from your hand and bottom it.

3) Take your mandatory draw, netting 3 cards.

In and of itself this is basically a much faster, non-mandatory DBS that costs nothing to rez. It may be easier to trash, but it's still a tax for the runner. However, this becomes even more disgusting when combined with Museum of History. At the start of your turn you can choose the order that the cards fire, meaning you can do this:

1) Choose x cards in archives (= to # of Museums) and shuffle them into R&D.

2) Draw 3 cards and bottom one, guaranteeing that whatever you bottom (for example GFI will never get touched by the runner unless they force a shuffle or Show Off.

3) Net your 3 cards. Keep in mind that stuff that your excess cards can easily be shuffled back in.

This card is real.

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so, maybe, the repeated Pharmachy sign in the background wasn't just for show —

Hostile Infrastructure is a damn funny 1/2-of in horizontal decks. With the growing popularity of Apoc in various aggro decks rezzing one of these after their third central run is surprisingly effective.

Think about it from the runner's perspective. They just finished making all the runs, probably didn't see many cards, likely spent a bunch of money to do it, and now they have to go knock over your stupid spiky castle instead of blowing everything up? UUUUUUUGH NO.

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Not to mention that they're eating the net damage from trashing it last click. This can add an extra point of damage for a potential flatline. —
I love the description "stupid spiky castle"! —
Can't they choose to trash it before the other cards? —

I think the cards are trashed all at the same time. I donĀ“t know whether hostile infrastructure would see its trigger condition tho

So this piece of ICE is pretty dumb.

Without its second sub it's Hunter for an extra credit. That's pretty bad, but as soon as you put a current on the table things go off the damn rails. A 2 cost 4 str tag/etr sentry is bonkers. Here are the costs to get through News Hound on all the killers printed as of D&D:

Alias: 4

Cerberus "Cuj.0" H3: 4

Creeper: 6

Dagger: 1 stealth, 2

Faerie: 2

Femme Fatale: 6

Garrote: 4

GS Shrike M2: 4

Mimic: 1 sucker, 2 creds

Ninja: 5

Pipeline: 8 and a bucket of your own tears

Shiv: 3 other breakers

Switchblade: 2 stealth

So basically, the only things that get through this dog reasonably are Mimic/Sucker, stealth breakers, and Faerie. Everything else pays at least double the rez cost.

TL;DR, NBN just got one of the best pieces of ICE in the game. Arf arf.

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It's easy to see how ludicrous this ice is in Sol (or anywhere else with a current running) by comparing it to Eli. It's a credit cheaper, a sentry (generally better than a barrier), can't be clicked through, and is taxing on facecheck (!). This ice alone probably makes Sol the best of the DnD corp factions. —
Someone mentioned on another piece of ICE that it depends on a current being in play, NOT on a Corp current being in play. Thus the Runner cannot disable it by overriding with a Current of their own. This is also true for News Hound. —
4tman might be the most popular counter to this (aside from Mimic/sucker). —
What? No Gingerbread? —

So until recently I never gave Rex Campaign much of a chance. Why include this blatantly inferior robot when you can have the sexbots? That was true until recently. This card isn't for HB, it's for NBN. Specifically Spark.

Rex has all sorts of things that Spark wants. It's an advertisement. Low rez cost makes rezzing aggressively to proc Spark's ability viable, which isn't true of Adonis or Eve. Its trash cost is decent, especially when you consider Spark tax. You don't even want to bother protecting it because if the runner trashes it you're ahead, meaning you can put your ICE on things that matter.

There are two downsides with Rex in Spark. Influence is a concern, but two is not horrible to deal with. The real issue is that it takes longer than other advertisements to give a return on your investment. 3 turns on the board is not short.

In summary, you have to be willing to play a card that says "the runner loses a click and 4 credits" just as often as it says "delayed hedge fund/make Valencia sad". I personally am because I'm a terrible person, but your mileage may vary.

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You forgot to mention that you can use it to remove bad pub from Reality Three-Dee as well. Otherwise, great review! —
Wow... rez this behind some ice, wait til it ticks down to 1 counter, then rez Reality Three-Dee at the end of the runner's turn! Instant bad pub removal, runner never saw it coming and doesn't get to benefit from the BP (unless they use Raymond Flint). —

I just wanted to add that Little Engine makes Noise players cry out in anguish, grab their copy of Faust off the table, and eat it with nothing to wash it down but their own tears.

Like, sleeve and all. Just "well I guess this is my life now" hormf gormf gormf

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Sometimes I don't want to convert 5 cards into 5 credits, especially when these cards are already worth a mill and a few credits after a pawn. —
Put a Chum in front of it and giggle —
This card exists to tech against Faust and little else. There are cheaper gear-checks and it doesn't tax the runner. —
I would consider Lil 'Gine a double-gearcheck - it requires the runner to have a decoder AND 7-8 credits. That's about the same threshold as Tollbooth, but 3 creds cheaper to rez. Love this card in Spark: "oh, thought you had just enough creds to break the Engine? This Launch Campaign over here says otherwise..." —