Tarrasque

Hexproof, Trample
Terrasque can't be countered.
"Who designed this thing? How are you supposed to
deal with it? Throw your entire team under it? Draft
a deathtouch-er? Shouldn't this be a Mythic? Its not
even that flavorful! If it was being faithful to the
source material it would probably have protection from colors or deathtouch to represent its Swallow action."
- You, probably