So here's my 2 cents on the whole multi-colored deck idea. I'm going to start by talking about mono-colored decks, then move one to 2 colors, 3 colors and so forth.
So, the major benefit to a mono-colored deck is the mana is perfect. There's Zero reason to be unable to cast a card because of color requirement, and beyond that, mono-color open the deck up to colorless lands with effects (
Westvale Abbey,
Ghost Quarter and so forth) because the impact on being able to cast spells is minimal. You're also able to run all the best spells in that color regardless of mana requirement (
Archangel of Tithes comes to mind). The downside though, is you're stuck to just that color, and can't get the support from other colors that your color may be lacking.
Two colors fixes a lot of the problems with mono-color. You can now run the best cards from two different colors and have the colors synergize and pick up where one falls off. The mana base is easy enough in standard that it can pretty easily be done with no extra slots devoted to mana fixing. you could probably even get away with just running basics. Cards like
Archangel of Tithes are still playable... but are less likely to be auto include than in a mono colored deck.
Three colors are where things start getting tricky. Decks generally have a few options:
1. Run 2 colors and splash the 3rd
2. Try to
balance three three colors equally
Going with option 1 is usually the easiest, and is pretty much what's being done in Standard with Bant Company. The deck is primarily Green and White, and splashes Blue for
Reflector Mage and Maybe
Spell Queller and Tamiyo. Going this route makes the mana pretty easy still, as you can just run essentially a Green/White deck, but instead of basics, run dual that splash the third color and maybe a single basic in the splash. In this way the deck doesn't even need any special fixing.
The real problem is trying to do option 2. If all the colors matter equally, it becomes significantly easier to have
dead cards in hand. This is where slots devoted to fixing start becoming important.
Fork in the Road /
vessel of nascency become important to ensuring the other colors are represented.
Now the real meat of the discussion... 4 colors... By no means is it impossible to have a successful deck that's 4 colors. and as G.Moto pointed out, there's plenty of good fixing in this standard to ensure you can reliably have your 4 colors very quickly. But lets take a second to look at the pros and cons of doing so.
By running 4 colors you can dive deep into a single synergy (like the sacrifice cycle outlet discussed in this thread), which is undoubtedly powerful. It also means we don't have to accept "decent" cards, because we can get the absolute "best" option from any of our 4 colors.
Now though, what are we giving up by going 4 colors? The main thing that comes out is deck slots. As G.Moto pointed out, there's plenty of fixing in this standard, but if we're running a lot of fixing, that means we're cutting cards that could be helping us win, as opposed to just stopping us from getting mana screwed. Getting our mana base all sorted out, and then drawing multiple
Fork in The Road is definitely less than ideal. Every piece of fixing that goes in, means a threat or a removal spell comes out.
Now, if we want to make this guys work, the smoothest way would have to be as a 2 color deck that splashes the other 2. Green is going to have to be one of the primary color since it's where all the fixing is. From there we can pick the other primary, for simplicity sake, lets go with white. That means we're splashing for blue and Black. If the only blue card is
Ghostly Wings, and the only black cards are
The Gitrog Monster and Galvony Unhallowed, then this shouldn't be too bad. But if we try to branch heavier into those secondary colors, that's where we'll find real problems.
Anyway, thanks for taking the time to read this novel of a comment. I hope it helped show some of the ups and downs of a 4 color deck. Of course I don't want to
stifle the creative juices flowing here, but be mindful of the ups and downs of running that many colors.
Good luck
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