mtg cards like cyclonic rift Strategic use of in Magic: The Gathering change target in its text to each.) Ravnica Remastered (RVR) #40 Illustrated by Isis Magic Cyclonic Rift Price & Card

However, any creatures that it was blocking are still considered blocked

Lucius the Eternal is probably not the best as a commander, since his natural ability to return to the battlefield undermines one of the bonuses given to players by the Commander format (the ability to return their commander to the command zone)

It can deal with problem cards out of graveyards (Arclight Phoenix, Kroxa, and Storm the Festival), generate late game value, and gain life

Plus it has warp, so you can get it into play early and recast it later

Creatures get tapped when they attack, but not when they defend, and a tapped creature cannot be used to defend in turn