Id also argue that theyre the essence of what it feels like to play with Ravnica cards since their printing in the first Ravnica block, in Ravnica: City of Guilds , Guildpact , and Dissension
The decks could be more aggro based, focused on the graveyard, or control oriented
Instead of entering the battlefield as an Aura, the effect making it an Aura spell ends, it loses enchant creature, and it resolves and enters the battlefield as an enchantment creature
Applying these quick lessons to the subjects at hand, Imperial Seal and Vampiric Tutor inherently trade themselves for nothing up front, which isnt going to look good from a card advantage perspective, especially if you dont have enough time to draw the card they tutor
You can always run a much more simple alternate win condition, like a kicked Rite of Replication on a Precursor Golem
Sets that primarily take place there : None Planeswalker natives (with planeswalker cards) : None Azgol showed up on one card, Lair of the Ashen Idol, from Planechase (2012 Edition)