To mulligan means to shuffle your hand back into your library at the start of the game and draw a new hand with one less card
However, this does leave many opportunities for buyers to pick up a few deals on those higher end cards like the Charizard ex special illustration rares
It shouldnt be too difficult to enable this over and over again in a dedicated sacrifice deck, so all you need is a Warstorm Surge or Pandemonium and youre off the races
Instead of questing, Locations generate lore during the 'Ready' step of your turn
If this card is Normal or Special Summoned: You can excavate the top 3 cards of your Deck, and if you do, you can add 1 excavated "Purrely" Spell/Trap to your hand, also place the rest on the bottom of your Deck in any order
This is great for item-focused decks that want even more ways to fetch the essentials without drawing into them