This seven-mana creature has a huge stat line at 8/12, and even better, it has trample, which is something large creatures often lack
If you play this by turning your First Main Phase, you could sacrifice it for one of the games many sacrificial effects, and bring it back into play, if you aren't looking to attack
When a deck is designed to amass an army of devastating Demons, assembling a group of four Demons at once is a rather easy feat to achieve, especially when you have access to mana cost reducers like Heartless Summoning and Herald of Slaanesh.
The cards in a Universes Beyond release might be: Reprints using art and flavor text from another IP New, mechanically unique cards
Perhaps one of his most memorable quests involves you tracking him down, initially believing him to be dead
There are 103 Sagas to build around, pretty tight in a Commander deck, but he'll get loads of play despite it