The process is similar to how we got rid of foils with some exceptions
Novelty: How unique is the card
[2] The Commander format has each player provide a 100-card deck, using cards from any printed sets excluding those that are banned, with the requirement that each card outside basic lands must be unique, in contrast to normal Magic decks that allow up to four copies of a card from the game's current base and expansion sets
Wither allows the dragon to deal damage to creatures in the form of -1/-1 counters, which permanently shrink threats and bypasses abilities like Indestructible or Shield counters
These Planeswalkers include Daretti, Ingenious Iconoclast [], Chandra, Torch of Defiance [], Ob Nixilis Reignited [], Ral, Izzet Viceroy [](kinda), Nicol Bolas, Planeswalker [] and endboss Nicol Bolas, Dragon-God []
R&D wanted a hydra to be playable so badly and this one made the cut