This means that Nashi can potentially be used to cheat high-mana cards into play quite early into a game, especially when paired with cards that can manipulate the top of one's library such as a scrying effect or the likes of a Vampiric Tutor
The time to grab a box or two to draft or speculate on happens every year in the late Summer as previous staples fail to find homes in Modern, Legacy, or Pioneer
The banned blue cards are Wash Away, Subtlety, Force of Will, Time Warp, and Temporal Manipulation
That makes it somewhat easy to interrupt an attempted combo with creature removal
Picking up a Goblin Guide or an Eidolon of the Great Revel later in the game along with a 3/2 lifelinker is nothing to scoff at, either, especially at no cost
+1/+0 for each adds up quickly