Malefic Paradox Gear is a Machine effect monster card in Yu-Gi-Oh TCG YGO
When an opponents monster declares an attack: Target 1 face-up monster your opponent controls, except the attacking monster
Legendary Creature - Elder Dragon Tombstone Stairwell Cumulative upkeep (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.) At the beginning of each upkeep, if this enchantment is on the battlefield, each player creates a 2/2 black Zombie creature token with haste named Tombspawn for each creature card in their graveyard
So uh, Synchro Summon this and instantly get another Synchro, if you want, Synchro another one of these, repeat, Synchro another one of these, and then repeat, and Synchro Summon some other random Synchro, you can overlay these into Xyz/use for other bigger Synchros/etc
You can set up the general context of the call ("I'm in a Magic game and I need someone outside the game to make a choice"), but you shouldn't explain anything that's going on in the game or what the consequences of their choice may be
"Mysteries Remain" replacement signature event has 2 very simple functions you can choose from: either you discover one clue from your location (acting like a zero cost analogue "Working a Hunch") or generate an extra clue to discover in your location, reducing the amount of exploration and backtracking needed to reach other locations with clues necessary to advance the Act deck