Before their ban, the card most recently banned from the Standard format was Lysandres Trump Card, which was banned as of 15 July 2015
BT11-070 R Digimon Lv.5 Destromon Color Black Cost 10 DP 10000 Digivolve Cost 1 Black 5 from Lv.4 Form Ultimate Attribute Unknown Type Unknown Card Text 1 [Special Digivolution Condition] [Digivolve] 6 from [Vemmon] [Effect] [When Digivolving] Reveal the top 3 cards of your deck
Special Summon 1 "Blue-Eyes" monster from your hand or GY, but if you Special Summoned an Effect monster from the GY, it cannot attack, also its effects are negated.
The new series likely means that the next main series Pokmon games won't be out until late 2026 at the earliest
Six mana is a lot for an effect like this, especially when you have much enchantments like Bottomless Pit and Necrogen Mists that empty hands for half the mana
Sized to allow double-sleeving with a smaller inner sleeve