There are plenty of opportunities to use Jegantha in Commander
Ultima With cards like Day of Judgment in Standard, white wraths have to do something strong to compete
In other words, if you cast Thor, God of Thunder and can untap with him still alive, you're likely to win the game
(He would have played it in Standard, too, if it hadnt been banned just weeks prior!) Elk memes, Broko-Woko-Bespoko-Four Loko, and whatever other nonsense Magic Twitter babbles about all pointed to one thing this year: Oko dominated hearts, minds, and battlefields in 2019 like no other.
For six mana, capable of being reduced down to just one red and one green, Agatha gives your other creatures +1/+1, trample, and haste until the end of the turn