It has the least number of landfall abilities, and swamps are notoriously difficult to fetch to the field
And The Rest After going pretty deep on explaining mana and tutors, the rest of the checklist is pretty straightforward: is important to refill your hand, out-grind your opponents, and smooth out your gameplay
They all only appear once, so due to our new policy, we wont mention them in the Top 10
Dazzling Theater / Prop Room The Dazzling Theater makes it very easy to cast your creatures, especially if you've tapped into making a few creature tokens
While five cards in total were featured, Swan Song and Birds of Paradise are the most noteworthy for their prominence in constructed play
The Valki/Vorinclex odds are that much worse, being 1/256 to get the version you want