Yubel - The Ultimate Nightmare [PTDN-EN008] Secret Rare 2013 Collectors Tins destroy this card unless you

destroy this card unless you send 1 "Iron Core of Koa'ki Meiru" from your hand to the Graveyard or reveal 1 Plant-Type monster in you hand

When this card is Synchro Summoned

If this Ritual Summoned card using a “Blue-Eyes White Dragon”

also their ATK and DEF becomes their original ATK and DEF

by sending this face-up card to the Graveyard

Yubel - The Ultimate Nightmare [PTDN-EN008] Secret Rare 2013 Collectors Tins destroy this card unless youSet: Phantom Darkness Card type: Effect Monster Rarity: Secret Rare Attack: 0 Defense: 0 This card cannot be Normal Summoned or Set. This card cannot be Special Summoned except with the effect of "Yubel Terror Incarnate". This card cannot be destroyed by battle. You take no Battle Damage from battles involving this card. If this face up Attack Position card battles an opponent's monster, inflict damage equal to its ATK to your opponent and destroy