Ra's al Ghul

+1: Put a 1/1 Spirit token with deathtouch onto the battlefield, where X is the amount spent to cast Ra's al Ghul
-3: Search your library for X number of swamps, where X is the number of swamps on the battlefield times 2, then put them on the battlefield, tapped
-8: On your next upkeep, gain control of opponent's hand. You may play any card from their hand as if it were your own until the next upkeep