It doesn't use the stack, it's not a spell, it can't be responded to, it has no mana cost, and it counts as your land play for the turn
The notorious phrase "But what does Pot of Greed do?" can be found across forums and comment sections whenever users are given the chance and often goes unexplained to confused onlookers
However, the ability to pivot between these parts of the deck is entirely contingent on the use of one of the best Reptile-type monsters of all time, as King of the Feral Imps is one of the most reliable XYZ monster combo starters
C Common SH Shatterfoil The Immortal Bushi X DARK Level 3 [ WarriorEffect ] ATK 1200 DEF 600 While this card is face-up on the field, it cannot be Tributed, except for the Tribute Summon of a Warrior-Type monster
Shes still signing though - and what seems to be her current Pikachu sketch is very cute