Sidisi, Regent of the Mire is basically Birthing Pod but for your graveyard (deathing pod?)
That being said, Feed's still primarily used to take out creatures, with the enchantment removal mode as a great backup
However, don't let this list fool you, if your metagame is different/silly then those cards might be just what you need in every deck
In Lorcana, players take on the role of Illumineers who use magical ink to summon glimmers of iconic Disney characters, songs and items
So, if you wanted, you can pay eight life and put any card from the power 9 into your hand
If Discovery does end up seeing play, it will be on the back of Surveil synergies rather than by its own merit