If You're Gonna Watch Ads, Watch Trail

For free-to-play players, watching ads is the only option. Even if you watch ads for extra dice, you only get a few dozen, which isn't very helpful. It also takes a significant amount of time to watch ads and roll the dice. It seems better to match the multiplier with the number given by the ad for the Trail roulette and keep watching ads, as you can accumulate hundreds of dice that way.