Sekarai, the Ship Sinker

Defender, Double Strike
Sekarai, the Ship Sinker may block creatures
with islandwalk and swampwalk walk as though
they didn't have islandwalk or swampwalk.
If a creature dealt damage by Sekarai, the Ship
Sinker would die exile it instead.
Sekarai, the Ship Sinker can block an additional
creature each combat.