It's The Child of the Powers of the Waters! The Lord of the Triumph of Light! Or, more familiarly, the Chariot.

Among the Major Arcana, the Chariot is one of those symbol-packed images that don't necessarily give you that much to work with at first glance.  But the closer you look, the more there is.

For readings, online classes, books and more:

http://tsusanchang.com

Mel Meleen's Thoth-inspired decks:

http://tarotcart.com

Susie's Arcana Cases and perfumes are on:

http://etsy.com/shop/tarotista

Fortune's Wheelhouse T-shirts, mugs, backpacks, stickers:

http://www.redbubble.com/people/wheelhouse93/shop

also, Nine of Swords blankets, pillows, phone cases:

http://www.redbubble.com/people/tarotista/shop