Tarrasque

Double strike, haste, reach, retrace, trample, vigilance
Legendary Resistance (Put 3 Resistance Counters on Tarrasque when cast. When targeted by spell or ability, remove Resistance Counter from Tarrasque, counter target spell or ability.)
Siege Monster (Tarrasque deals double damage against artifact creatures and creatures with defender. Negate trample ability and unaffected by Legendary Resistance.)