Chaos Rising, which dropped on May 22, is the freshest expansion in the Mega Evolution block, and it is still the white-hot pack opening target heading into summer
The question to ask is at what X value are you happy with United Front
There has not been one as effective as Teferi's Protection released since
As ever, different Pokemon evolve in different ways some evolve at a certain level, others need to be given specific items, some evolve when traded with a friend, and others evolve when their friendship levels are high enough
Recovery Cards (Resource Management): Your resources are finite
The Legends Since Homelands is a story-driven set, I figure that the best place to start looking at the cards is with the characters