The best way to ramp up to big eldrazi's is to use the Urza Tron land. I dont know what kind of budget you are on but for the best land base for big eldrazi you need 4x Urza's Mine 4x Urza's Power Plant and 4x Urza's Tower and then a few other lands based on what colored spells you are using. If i was you i would stick to strictly blue or do green and red. If you want to refer to some decklists search GR tron and Urza Tron for some ideas. Then when you choose a color you can cut a lot of cards from your deck. But for now a place to start is to cut all of the Gruesome Slaughter the Morgue Burst the Haunted Plate Mail the Adverse Conditions the Brutal Explosion then Grip of Desolation the Ruination Guide. Then you will be down to 60 cards and then that will be a good start. Put a message on my profile if you would like further help. And great deck idea so far!

Thank you very much with this help, glad to hear that you like my deck :) Problem is that I have access to just few old cards, so most of my cards are just from recent series...Ill cut those cards you mentioned :)

Sounds good then but if you ever want to start investing some money into this deck then get the Urza lands because you can potentially have Desolation Twin on turn 3

Ok, Ill remember that, thank you :)

Since you are considering removing red from the deck you should consider what you want exactly from the deck. Most blue and black decks are punishing control decks that utilize counter spell and removal spells. Then you drop your win conditions in the late game when you have removed their threats. So, if you want to do that you should then remove a substantial amount of your creatures and only keeping your best ones. And then replacing the removed creatures for counter spells and removal spells. Hope this helps.

So, I want this deck to have mana acceleration to cast strong creatures and have some protection until it does so (counters, Tide Drifter etc.). After many games it showed up that those red cards are actually weak in comparsion to other so I want to replace them with other ones. I can include some other new cards (maybeboard) or almost every card from Battle for Zendikar. But I will wait until Christmas when I and my friends will open new boosters so I will have more cards to choose from :)

I personally think the Sludge Crawler is way better than the Salvage Drone:

1. If you play Sludge Crawler on turn 1 he can be a 2/2 on turn 2 if needed and a 3/3 on turn 4 if needed. And of course you don't even need to make him bigger, the potential alone will let him come through and not be blocked way more often than Salvage Drone.

2. If the game happens to be dragged out for longer than usual drawing a Sludge Crawler is almost like drawing a big creature while drawing a Salvage Drone is like drawing nothing at all / a land.

Well yes, but I like Salvage Drone more because of its ability - I can get bad hand and this can save me.