Opalescence [Urza's Destiny] Darkness [-20] then silence

then silence

You can only use this effect of "Gouki Ringtrainer" once per turn

Set: Hobby League 6 Card type: Effect Monster Rarity: Parallel Rare Attack: 1400 Defense: 800 When this card is sent to the Graveyard by battle

If there are no mining counters on Gemstone Mine

Set: Legendary Collection 3: Yugi's World Card type: Effect Monster Rarity: Secret Rare Attack: 2600 Defense: 1500 You can send 1 face-up "Umi" you control to the GY

Opalescence [Urza's Destiny] Darkness [-20] then silenceSet: Urza's Destiny Type: Enchantment Rarity: Rare Cost: {2}{W}{W} Each other non Aura enchantment is a creature in addition to its other types and has base power and base toughness each equal to its mana value.