Legends like Cho-Manno, Balthor, Rayne, Urza as the Blind Seer, Eladamri, Iona, Karona, and more all deserve new versions
This is stuff like Omenspeaker
In fact, it is difficult to copy and use something with this because the sacrifice penalty when it becomes a target is too large, but it was used because it can send the opponent's difficult legendary creature to the graveyard with only 2 mana
Both incredibly appropriate considering Magic wouldnt exist without D&D and that D&D as we know it today sepulcher exist without Magic: the Gathering
He can KO a 0-cost Character, but since he has a -1 cost-reduction built into his effect, youll need that target to be a 1-cost for Brook to KO