What strategies should I consider when building a Battle for Zendikar Eldrazi deck for competitive play?

When building a Battle for Zendikar Eldrazi deck for competitive play, consider focusing on ramping up your mana quickly to play powerful Eldrazi creatures. Include cards that generate extra mana, such as "Urza's Tower" and "Sol Ring." Also, include cards that can search for specific Eldrazi creatures, like "Eye of Ugin" and "Eldrazi Temple." Additionally, include cards that provide protection for your creatures, such as "Lightning Greaves" and "Swiftfoot Boots." Lastly, include cards that can disrupt your opponent's strategy, like "Thought-Knot Seer" and "All Is Dust."