Walker of Secret Ways
{2}{U}
Creature -- Human Ninja
1/2
Ninjutsu {1}{U} ({1}{U}, Return an unblocked attacker you control to hand: Put ~this~ onto the battlefield from your hand tapped and attacking.)
Whenever ~this~ deals combat damage to a player, look at that player's hand.
{1}{U}: Return target Ninja you control to its owner's hand. Activate only during your turn.