Warren the War-Weary

: This spell can't be countered. While there are other Planeswalkers in play, Warren the War-Weary can't be played.
+2: Tap target creature. That creature doesn't untap during its controller's untap step. If it's a Vehicle, exile it instead.
-6: Create a legendary enchantment named Teapot Dome with "Tap two creatures you control: Put two +1/+1 counters on target creature."