Is this your card?
Level 3
Stacked Deck.
When you use Daring Gambit with your Trick Deck and the attack misses, you take no self-damage.
Trick Deck.
You carry a deck of enchanted cards that act as a weapon (1d4 + DEX, Thrown 4). They count as a melee weapon even when Thrown.
Level 7
Now You See Me....
When you hit a creature with a thrown weapon, the next attack made against it before the start of your next turn has advantage.
Level 11
Now You Don't.
When you hit with Stylish Finisher, you vanish in a flourish of smoke and cards, reappearing up to your Speed away in a space you can see.
Trick Deck (2).
Your Trick Deck weapon is now 1d8 + DEX, Thrown 6.
Level 15
Ace in the Hole.
(1/Safe Rest) When you use Daring Gambit, the attack automatically crits.