That second ability might be a little hard to parse, but basically, youll always get to untap your creatures regardless of what combat phase youre in, as long as you hit with a 7 power or higher creature
Yoni Skolnik, a principal game designer at Wizards of the Coast, said in a blog post that when the team approached the set, they were careful to find a way to let people enjoy their nostalgia without alienating everyone else that also honored the emotional resonance of the games. As such, the final product is full of little narrative Easter eggs that hint at, but never spoil, major plot beats from the games
This card is L (Leader), and since it has a star, it is a Parallel Leader
It can also act as graveyard hate that makes tokens, though it's generally played for its protection effect