Similarly, if Lightning leaves the battlefield and later returns, you won't be able to play the cards that were exiled the first time it was on the battlefield since it's a new object
As a result, a lot of powerful linear cards are a little shaky on their support, like Silumgars Scorn, or accidentally powerful pairings with dissimilar backups for either half, like Archangel Avacyn plus Hangarback Walker
Vraska, Betrayals Sting had a price spike in February, but dipped slightly heading into the release of March of the Machine
Grixis Improvise from last season, and, more recently, UB Improvise and Paradoxical Outcome Storm, occasionally pop up on Magic Online, but cant really compete with UWx Control and Rx Aggro
Tricky Terrain Tricky Terrain has got it where it counts, in the mana base