Dune Slicer

First strike
Whenever Dune Slicer deals combat damage to a
player, that player sacrifices a land they control
that could produce {c}. If they don't, put a +1/+1
counter on Dune Slicer.
Channel - {1}{r}, Discard Dune Slicer: Target
player sacrifices a land they control that could
produce {c}.