It pressures early with combat damage and card draw, helps fill the graveyard with its discard abilitywhich fuels delve, escape, or reanimationand can even take to the skies when needed by exiling cards
That sets an expectation for Agatha's Soul Cauldron, a new graveyard hate card that's starting off expensive
Whats even worse is that while its on the field, its player becomes invincible to anything used by an opponent, so anyone who doesnt rely on milling is going to need to find a way to dethrone this beast
That's what Jeska's Will can do
As such, this card remains banned in the supremely powerful Legacy format
(2/5/2021) If an effect causes a creature with changeling to lose all abilities, it will remain all creature types, even though it will no longer have changeling