Goldd, Wu-Lord of Dark World [DR04-EN084] Ultra Rare World Magic Cup Qualifiers you can discard 1 card

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

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

Set: Modern Masters Type: Enchantment Rarity: Rare Cost: {4}{G} If an effect would create one or more tokens under your control

Set: POP Series 3 Type: Grass Rarity: Uncommon Retreat cost: Colorless

Set: Fifth Edition Type: Sorcery Rarity: Rare Cost: {R}{R}{R} Flip a coin

Goldd, Wu-Lord of Dark World [DR04-EN084] Ultra Rare World Magic Cup Qualifiers you can discard 1 cardSet: 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.