What is Gambit's character arc? Is he a good guy or bad guy? How did he get his powers to control playing cards, and what makes him different from other mutants?

Gambit: The Wild Card Superhero

Rogue&Gambit #1: Spoilers and Review

What are the powers of Gambit? - Quora

Gambit, Wiki

Gambit (Marvel Comics) - Wikipedia

What are the powers of Gambit? - Quora

Gambit, Wiki

X-Men: Gambit's Mutant Power Explained

Gambit (Character) - Comic Vine

Dave's Long Box: Why Gambit Sucks

Gambit (Character) - Comic Vine

Gambit Explained: Who Is the X-Men Character? - IGN

X-Men: 10 Facts About Gambit You Need to Know