Suicune (SM149) [Sun & Moon: Black Star Promos] Colorless[-20] 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 Dragon-Type monster in your hand

Set: Crossroads of Chaos Card type: Synchro/Effect Monster Rarity: Ultimate Rare Attack: 2400 Defense: 1500 "Plaguespreader Zombie" + 1 or more non-Tuner Zombie-Type monsters When this card is Special Summoned

Set: HeartGold & SoulSilver: Undaunted Type: Darkness Rarity: Ultra Rare Retreat cost: Colorless

Set: Dark Revelation Volume 4 Card type: Quick Play Spell Rarity: Rare Attack: 0 Defense: 0 Special Summon 1 Fairy-Type monster from your hand

Set: Duelist League Promo Card type: Continuous Spell Rarity: Rare When a "Blackwing" monster is Normal Summoned to your side of the Field: You can add 1 "Blackwing" monster from your Deck to your hand that has less ATK than that monster

Suicune (SM149) [Sun & Moon: Black Star Promos] Colorless[-20] destroy this card unless youSet: Sun & Moon: Black Star Promos Type: Water Rarity: Black Star Promo Retreat cost: Colorless