Jubilation For six mana, Jubilation is one hell of a threat
This seems to only happen with cards that are banned in the format you've selected for the deck, and it makes it seem like your deck is stuck in limbo
There are a lot of rules, your deck needs to be properly composed, and different generations sometimes introduce new mechanics
In the Past, Everything was Cheaper Back then, a full set of CE/IE cards roughly cost $50, so people rebacked their gold-bordered cards so they could be played with their black-bordered cards
What an amazing MTG card
Being down a card is incredibly punishing in a format where you need just one more blocker or just one more removal spell, and when you stall out, you give opponents the chance to Station their Spacecraft and save up their removal for when you try to rebuild