Following the previous spring-themed Hatsune Miku set that convinced our Elie Gould to finally start collecting Magic cards, there's a summer-scheduled set on the way, with two more drops to follow after that
(2018-04-27) An ability that triggers "whenever you cast a historic spell" doesn't trigger if a historic card is put onto the battlefield without being cast
The Shadowless print run followed the First Edition, and these cards are identifiable by the absence of both the Edition 1 symbol and the lack of any shadow around the base and right-hand side of the art box
Daybound/nightbound controls which face of a card is active, but it also controls which face is active when those cards enter the battlefield
Lightning Bolt needs no explanation, as it is ever-present in the format and many archetypes stretch to red just to play Bolt, but almost everything else can be argued as stronger or worse than another option
For each Mines of Moria vote, return a card from your graveyard to your hand