Stormtrooper

Hexproof, indestructible, protection from
EVERYTHING.
Stormtrooper can't block.
If Stormtrooper dies or is exiled return it to
the battlefield immediately with hast.
When Stormtrooper attacks roll a D20,
1 or 20, Stormtrooper does combat damage.
2-10, Stormtrooper misses and does nothing
(you still have tap him.)
11-19, Stormtrooper does damage to you instead
(non blockable.)