Fortunately, there's more than enough muscle on your creatures to take out the whole game in a single turn, though, and so it's mostly a game of building up your board state, controlling your opponents through counterspells, and biding your time until you can sweep
You don't have to create X tokens that are all copies of the same creature token
It only has one ability and it is a lengthy one
Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.) Sometimes violent earthquakes, hurtling boulders, and unseasonable dust storms are wrongly attributed to the Roil
It is not the end of the world to cycle it for one life and one card if you have things you want to dig for and nothing else to spend the mana on and this is pretty much the worst case scenario
Head over to the Draftsim Discord to chat it up with veteran players who know more