mtg exile card from hand MTGNexus

Automatically sort and organize your Magic The Gathering collection

In a new Blogatog post, MTG Head Designer Mark Rosewater says Host/Augment could well come to black border at some point!

53 MTG cards found that are Subtype: Rebel, Colors: White in the official Magic: The Gathering Database.

Reducing potency may not be the easiest to do, but some considerations would be changing enchantments to creatures that do the same thing, or increasing the number of pieces in your value engine or infinite combo (a combo that needs six cards to function is easier to disrupt compared to another that only needs two cards)