For only three mana per turn you kept the number of cards they had to work with constant unless they emptied their hand
The flavor of summons being saga enchantments alone is already generally a win for me, no matter how each of them is designed
If the Phyrexian Germ token is destroyed, the Equipment remains on the battlefield as with any other Equipment
In order to play any of these (and there are some worth playing), you'll really want to be able to wrap your arms around the spell-side
Designed to be a case and bag all in one, the self-contained shoulder strap sets it apart from other carrying cases on this list simply because it eliminates the need for a backpack to transport it
There are endless combinations and strategies constantly being tinkered by avid hobbyists, which of course, keeps the game interesting and ever-changing