Clive's Hideaway's last ability only cares if you control four or more legendary creatures at the time it resolves
In the case of this card, it's because of how it uses the Cumulative Upkeep mechanic
For, lets say, five mana, this should be able to take care of most problematic threats that appear in the mid-game
It's part of the core, 'actually canon' sets, and introduces 'the Edge', a region of space that exists outside the Multiverse where "forces vie for cosmic power." Zoe Le Conte , astrophysicist at Durham University, was kind enough to answer our questions regarding some of Edge of Eternities' most fascinating art pieces, ranging from planet-killing super weapons to space whales and plenty of cosmic phenomena that look equal parts pretty and destructive
In yesterdays Standard League, they took the list to a crisp 5-0 finish
Over the next few design meetings we hammered out the core essence of purple