It is pretty unlikely that another player has gained quite as much life as you, and if youre above 10,000 life, you can activate Aetherflux Reservoir at least 200 times, which is more than enough to deal with anything on your way to victory
I often see people board down to ten dredge cards, which I dislike, as the two-mana enablers rely on you to have a dredge card in your hand to discard, and youre often sideboarding out an Otherworldly Gaze as well, which acts as a way to find dredge cards when you dont have one in your opening hand
Shes really good as a core cog to the deck keeping the trains running on time, and that you dont run out of gas
It's important to stack the triggers so that the Goblin Cannon doesn't sacrifice until you have pumped enough damage into it
Then shuffle and put the last cards you looked at this way on top in any order