Goldd, Wu-Lord of Dark World [DR04-EN084] Ultra Rare World Magic Cup Qualifiers and Monster Cards that designate

and Monster Cards that designate a card(s) in the Graveyard or that activate in the Graveyard are negated

you can discard 1 card to add 1 Iron Core of Koa'ki Meiru from your Deck to your hand

then put one into your hand and the rest into your graveyard

{G}: Ifh-Bíff Efreet deals 1 damage to each creature with flying and each player

Goldd, Wu-Lord of Dark World [DR04-EN084] Ultra Rare World Magic Cup Qualifiers and Monster Cards that designateSet: Dark Revelation Volume 4 Card type: Effect Monster Rarity: Ultra Rare Attack: 2300 Defense: 1400 If this card is discarded from the hand to the Graveyard by a card effect, Special Summon it. If this card is discarded from the hand to the Graveyard by your opponent's card effect, you can select up to 2 cards on your opponent's controls and destroy them.