Red decks tend to be fast, aggressive, and highly destructive, focusing on direct damage
Now, I am going to put up my hands, and admit that I initially did not think The One Ring will be such a powerful card
The need to not miss land drops early would leave both decks with lots of land and not that much to do with it, allowing a player with Goblin Trenches to pressure the opponent slowly, go all-in or do anything in between and usually make their choice work
Like the other Titans, the whole strategy of Ulamog is to either ramp up and cast it for full cost, or find ways to reduce its cost to rush it out early
It helps the group hug player make deals in critical situations, but it's also an overall nice midway between group hug and politics