Rampaging Aetherhood Energy cards can be tricky to fit into Cubes as you need to dedicate so many slots to cards that produce energy to fuel payoffs
This is the power to untap or tap permanents at will
In addition to the obvious things like Syphon cards (do some effect to each other player, gain benefits depending on how many other players this hit), there are cards that affect a random opponent, cards that give everyone the game the ability to join forces to create a big effect (for example, a sorcery that lets everyone pitch in mana and then lets everyone put lands into play from their decks), and Enchant Creature cards sorry Auras that boost the creature while preventing it from attacking to
Anyone who's familiar with Living End decks from old Extended knows that Cycling creatures are the crux of any Living End strategy
It is absolutely powerful as a cheap response, and a valuable card that lots of white decks want
Most three drops want to support a body already on the board but in the boxed precon those early game bodies tend to be ramp or proliferation pieces - it doesnt make a lot of sense to start putting +1/+1 counters on creatures youre never going to swing with
