Magic has over 20,000 unique cards to choose from, and even if you narrow that down by removing the color(s) you cant play, that still leaves you with thousands of potential card choices
Moonsilver Key lets you pay one, tap it, and sacrifice it to search for either an artifact with a mana ability (a mana rock, usually) or a basic land and put it into your hand
SE Secret Rare Gemini Imps X DARK Level 4 [ FiendEffect ] ATK 1000 DEF 1000 During either player's turn, when your opponent activates a Spell Card, Trap Card, or monster effect that could make you discard when it resolves: You can send this card from your hand to the Graveyard
Friendly and easygoing, she seeks the elusive Bloodmoon Beast after struggling to find joy in her career
It's usually a glow on the card, acting as a coat over it, which generally makes it weigh a bit more than a regular foil card