If you take the last creature in their hand on turn 3, they might not be able to put together a Crew for Smugglers Copter
World Breaker is nice and has some synergies but isn't exclusive to this kind of build with it not needing the colourless to play it
It only makes the lands you control into Swamps though, so your opponents have to be playing Black or someone has to have Urborg, Tomb of Yawgmoth in play for it to be absolutely massive
Id love to hear your picks, as well as how they might change for Un-Constructed in the comments below or over at Twitter
Alisaie Leveilleur is an enabler for the strategy, while Alphinaud Leveilleur is the payoff
The playersusually eight sitting in a circleeach open a booster pack, pick one card, and pass the pack to the next player, who picks one card and continues to pass it along