It has menace so it can get in for combat damage without too much trouble (assuming the board isnt too gummed up), and if it does it can sacrifice itself to pull in a creature from the top of your deck
Lier, Disciple of the Drowned stops spells from being countered
The intersection of multiple factors is whats likely to get a card benched
Faeburrow Elder can generate a mana for each color among permanents you control, doing a solid impression of Bloom Tender despite requiring an additional white mana to put on the battlefield
Theres also one of each Urza land, and Urza's Cave those have the power to generate a lot of colorless mana, and you can assemble Tron with Expedition Map
First, you get to exile two permanents when you cast it, helping you clear any big threats from the board or cards like Laboratory Maniac that could actually make Ulamogs attack trigger beneficial to its owner