Most cards refer to "having a hat." For a creature, that means a hat shows up in the art
." Vincent Valentine Number 291 Language English Legal Formats Brawl, Commander, Competitive Brawl, Historic, Legacy, Timeless, Vintage Not Legal Formats Alchemy, Modern, Pauper, Pioneer, Standard Rulings (9/22/2011) The owner of a token is the player under whose control the token was put onto the battlefield
Magdas Treasure-making ability ramps into these dragons or tutors them up, and there are complementary Treasure-making dragons like Goldspan Dragon or Gadrak, the Crown-Scourge
Its ability to interact was so poor that it relied on mainboard Fulminator Mages to slow opponents down and Beast Within to beat things like Rest in Peace, Teferi, Time Raveler, or Chalice of the Void
Having a powerful enters-the-battlefield triggers works wonders in number shells, including Flicker and Momentary Blink effects