Legendary Duelists: Season 3

If a "Spirit Message" card would be placed on your field with "Destiny Board", you can Special Summon it as a Normal Monster (Fiend/DARK/Level 1/ATK 0/DEF 0) instead, and if you do, it is unaffected by card effects, except "Destiny Board", and cannot be targeted for attacks, but does not prevent your opponent from attacking you directly. When an opponent's monster declares an attack: Toss a coin and if the result is heads, negate the attack, and if you do, inflict damage to your opponent equal to half the current ATK of that opponent's monster.

Dark Sanctuary

Discard 1 card; add 1 "Destiny Board" or 1 Level 8 Fiend monster from your Deck or GY to your hand. You can banish this card from your GY, except the turn this card was sent to the GY; place any number of "Destiny Board" and/or "Spirit Message" cards with different names from your hand or GY on the bottom of the Deck in any order, then draw the same number of cards. You can only use each effect of "Dark Spirit's Mastery" once per turn.

Dark Spirit's Mastery

When this card and all 4 "Spirit Message" cards with different names are placed on your field, you win the Duel. Once per turn, during your opponent's End Phase: Place 1 "Spirit Message" card from your hand or Deck in your Spell & Trap Zone face-up, in the proper order of "I", "N", "A", and "L". When any "Spirit Message" card or "Destiny Board" you control leaves the field, send all "Spirit Message" cards and "Destiny Board" you control to the Graveyard.

Destiny Board

You can target any number of your Fiend monsters that are banished or in your GY, up to the number of "Destiny Board" and/or "Spirit Message" cards you control; add them to your hand. You can send this card from your Spell & Trap Zone to the GY; place 1 "Spirit Message" card from your hand, Deck, or GY in your Spell & Trap Zone. (This is treated as being placed by the effect of "Destiny Board".) You can only use 1 "Sentence of Doom" effect per turn, and only once that turn.