Burn is a core part of the Fire-type archetype, but in this era it shone through two cards that worked not with Burn but instead Fire-energy manipulation
Ghostwalk allows Feyrin to exchange places with a friendly common any time during the turn, opening up limitless possibilities, especially paired with Feyrins ability to summon Illusory units any time during the turn
Usually, cards are just restricted (i.e
Life Gain: In multiplayer, your life total is a resource
It does a little of everything: Fills the graveyard with discard and self-mill, then rewards you for removing cards from it
However, some of its decisions are suboptimal, picking a weaker creature rather than a stronger one (within the same summoning level), and thus requires the player to review the deck to ensure that there's no oddities