yugioh duel links chronicle card Can someone explain chronicle cards

You might immediately wince at that price crash, but theres a simple reason

(Until your next turn, that creature attacks each combat if able and attacks a player other than you if able.) Legendary Creature - Advisor Dwarf Goblin Dark-Dwellers Menace (This creature can't be blocked except by two or more creatures.) When this creature enters, you may cast target instant or sorcery card with mana value 3 or less from your graveyard without paying its mana cost

FINAL FANTASY IX Strange events transpire on the Mist Continent, one of the four main lands of Gaia

The result is an Illustration Rare card that is at the top of many players list of cards to chase from this set