Other cards have been introduced to Magic: The Gathering that reference the impact of the crystals, including 'The Crystal's Chosen,' which creates four 1/1 Hero tokens before powering up all the creatures on the player's board
I typically only run Wretched Confluence in such places, all other black five drops seem a bit much
A Saheeli deck is still going to want to go deep on energy, sure, but it can also afford to splash for the best kinds of permanents that can be copied
You also get lots of value from creating 4/4s with cards like Elemental Bond and Garruk's Uprising hanging around
The Most Valuable Pokemon Card in The World 1
With Miku, Queen Electric, as your commander, you can stay on top of your deck and keep your creatures at full health by exiling them and bringing them back