Araithia, Beloved of Hekara

Skulk (This creature cannot be blocked by creatures with greater power)
Whenever Araithia, Beloved of Hekara deals combat damage to a player, look at the top X cards of your library, where X is the number of different two-color combinations among creatures you control. Put one of them into your hand, and put the rest on the bottom of your library in any order.
"What can I say? I'm the Rat."