Vale Seeker

Whenever Vale Seeker attacks, if the defending player controls a land you own, Vale Seeker gets +1/+1 and can't be blocked this turn.
Whenever Vale Seeker deals combat damage to a player, gain control of target land you own.
The Elves left Sarpadia long ago, but there is a legend of an Elf-kin wandering the land in hopes of uncovering an ancient mythical place.