Yuffie, Materia Thief

{b}{u}{1}: Ninjintsu
Whenever Yuffie deals combat damage to a
player, gain control of target artifact or
enchantment with cmc 3 or less that player
controls
When Yuffie dies, all players gain control of permanents they own. You lose life and draw
cards equal to the amount of permanents you
lose control of this way.