When it enters you can mill and then this legendary lad grows in size by twice your dorks count in your graveyard, so a better Mortivore
Theyre too expensive and low-impact to see play in any remotely competitive format, yet theyre exactly what a spellslinger deck needs to wreck three other players
But Izzet is diverse, so in terms of the archetype she represents, I dont see her losing her place as the spells matter general of choice
In order to dismantle Green Devotion or Mono-Red in Game 1, a deck would have to play so many removal spells that there wouldn't much room left for anything else
Jill, Shivas Dominant / Shiva, Warden of Ice With Jill, Shiva's Dominant, you get a versatile tool that bounces a nonland permanent on entry, disrupting almost any strategy
This means some powerful strategies will leave the format entirely and specific powerful staples will make fans search for alternatives to their powerful abilities