Pain and shocklands are similar in that they both cost you life to fully utilize
Using what eBay calls "computer vision technology", the eBay Scanning Tool will allow users to both capture imagery of their trading cards and allow their device to instantly recognize the card they're scanning
(1) If you control a Fusion Monster that must be Special Summoned with Dark Fusion, you can Special Summon this card (from your hand)
Most red-based token commanders get a lot out of this effect, but I think the new Atla Palani, Nest TenderAtla Palani, Nest Tender has the quirkiest use of the spell
It will take a while for the Deck's true strength to show, but with a good hand you should have all the necessary tools to make it through an onslaught
You could also consider buying a structure deck, which is a deck carefully prepared with a specific strategy in mind