Card Trivia:Ace's Knight

This is one of the cards used by Jack 'The King' Kard in Yu-Gi-Oh! G (a only in my mind series). It's effect to change it's ATK and DEF if certan cards are on the field repersents the effect of an Ace card in the game of Blackjack. And the imunity to destruction is just a nice effect to give it.