Oblivion Sower and Blight Herder are good against delve and various spot removal
If you have a specific theme in mind, you can check the Tags dropdown for inspiration
It seems silly to have to convince people that the newest iteration of Attune with Aether and Traverse the Ulvenwald is playable, but here goes Imagine that Flower is effectively a Selesnya Guildgate
in that it creates 1/1 hero creature tokens that enter and auto-equip with the equipment
Now, the issue with Novablast Wurm is that it kills your own stuff too, but given its powerful board presence, that's an acceptable consequence of the card
Meanwhile, in the dusty town of Omenport, a massive relay tower to control communications across the Omenpaths is under construction, attracting workers with their own secrets