Multicolor to choose from, perfectly match different deck theme
It feels appropriate for gems to be valued, which further adds to the mystique this group of cards holds over MTG fans everywhere
If you build your deck around this strategy, discarding cards can even be a good thing
In a goblin tribal shell, Hulking Bugbear becomes a solid threat when paired with Hob Boss and should work well in RG and WR builds
While its possible that more will be spoiled in the future, theres not long left in spoiler season
Among main decks of Izzet Prowess builds specifically, 6 players are running four copies, 75 are running three copies, 32 are running two copies, 8 are running one copy, and 19 are running no copies of Vivi Ornitier