Ten Thousand Cards baby
IGAS-JP000 Ten Thousand Dragon
Level 10 DARK Dragon Special Summon Effect Monster
Cannot be Normal Summoned/Set. Must be Special Summoned (from your hand) by Tributing monsters whose sum of combined ATK and combined DEF equals 10,000 or more.
(1) If Summoned this way, this card’s ATK/DEF become 10,000.
This Card is a 10,000 Secret Rare, a new commemorative rarity as Ignition Assault will surpass the 10,000 card mark!
Source: Jump Victory Carnival Live Stream