For the first mode, if the nontoken artifact or enchantment is an illegal target at the time Sunder the Gateway tries to resolve, it won't resolve and none of its effects will happen
Swords to Plowshares (T1, Ext, S, Block) Black and red are both known as being the colors of creature removal, so it's ironic that Swords to Plowshares should be hands-down the most powerful single-targeted creature removal card in all of Magic
At this point, you can start dropping huge threats like Sheoldred, Whispering One, safe in the knowledge that you can just bring them back again next turn if theyre removed
A set contains 54 to 56 unique cards, which means that someone wanting to deal counterfeit cards can pick that many different Magic cards to work with
There is a world where that could happen three more times and give you four free Emilys