Isabelle, the Imperialist

First strike, haste, trample, vigilance
When Isabelle, the Imperialist deals combat
damage to a player, gain control of target land
that player controls. When Isabelle, the
Imperialist leaves play, each player gains control
of each land he or she owns that you control.
Put a +1/+1 counter on Isabelle, the Imperialist
for each land you control that you don't own.