In most cases, this is the measurement they are asking about
It wouldn't have worked anyway." Number 20 Language English Legal Formats Commander, Legacy, Pauper, Vintage Not Legal Formats Alchemy, Brawl, Competitive Brawl, Historic, Modern, Pioneer, Standard, Timeless Rulings (6/13/2017) If you cast a card "without paying its mana cost," you can't choose to cast it for any alternative costs, such as emerge costs
Premiering at Origins '93, the first generation of cards went public on August 5th and are referred to as the "Alpha" set, which contained 295 different cards
Its only saving grace is you dont often want more than one of this legendary equipment in your Legacy deck
Thats not to say its bad
Shadow Summoning is a Sorcery card in Magic: the Gathering MTG