Normal Trap Card When a face-up Xyz Monster you control is targeted by an opponent's card effect: Change all Attack Position monsters on the field to face-up Defense Position, then shuffle all Spell/Trap Cards in the Graveyard(s) into the Deck

(Bevy of Beebles) Basri Ket Basri, Devoted Paladin Calix, Destiny's Hand Chandra Ablaze Chandra Nalaar Chandra, Acolyte of Flame Chandra, Awakened Inferno Chandra, Bold Pyromancer Chandra, Dressed to Kill Chandra, Fire Artisan Chandra, Flame's Catalyst Chandra, Flame's Fury Chandra, Flamecaller Chandra, Flameshaper Chandra, Heart of Fire Chandra, Hope's Beacon Chandra, Legacy of Fire Chandra, Novice Pyromancer Chandra, Pyrogenius Chandra, Pyromaster Chandra, Roaring Flame Chandra, Spark Hunter Chandra, Torch of Defiance Chandra, the Firebrand Comet, Stellar Pup Commodore Guff Dack Fayden Dakkon, Shadow Slayer Daretti, Ingenious Iconoclast Daretti, Scrap Savant Davriel, Rogue Shadowmage Dihada, Binder of Wills Domri Rade Domri, Anarch of Bolas Domri, Chaos Bringer Domri, City Smasher Dovin Baan Dovin, Architect of Law Dovin, Grand Arbiter Dovin, Hand of Control Ellywick Tumblestrum
Among them is flash, an ability that lets you cast spells at any time you have priority
There have been cases of some players painting, writing things in the back of their cards to identify what they draw from deck
Because the timeshifted cards by their nature tended to be rule breaking cards and rule breaking cards are the ones most often to cause problems