Knight of the Ebon Legion [Core Set 2020 Prerelease Promos] XY96 and the card that left

and the card that left the field was "Stardust Dragon" or a Synchro Monster that listed "Stardust Dragon" in its text: You can apply 1 of the following effects

Set: Hidden Summoners Card type: Synchro/Effect Monster Rarity: Secret Rare Attack: 3300 Defense: 2600 1 Tuner + 1* non-Tuner monsters / You can only control 1 "Gashadokuro

Must be Special Summoned (from your hand) by Tributing 1 "Blue-Eyes Ultimate Dragon"

"Let's add just a bit more stopping power

this card cannot be targeted by an opponent's card effects while you control another Trap Card that is a monster

Knight of the Ebon Legion [Core Set 2020 Prerelease Promos] XY96 and the card that leftSet: Core Set 2020 Prerelease Promos Type: Creature Vampire Knight Rarity: Rare Cost: {B} {2}{B}: Knight of the Ebon Legion gets +3 +3 and gains deathtouch until end of turn. At the beginning of your end step, if a player lost 4 or more life this turn, put a +1 +1 counter on Knight of the Ebon Legion. (Damage causes loss of life.)