Colossus of Sardia

Artifact Creature - Golem 9/9, 9 (9)
Trample (If this creature would deal enough damage to its blockers to destroy them, you may have it deal the rest of its damage to defending player or planeswalker.)

Colossus of Sardia doesn't untap during your untap step.

{9}: Untap Colossus of Sardia. Activate this ability only during your upkeep.¹
[Buried under a thin layer of dirt, it was known for centuries as Mount Sardia.]
Illus. Greg Staples

Gatherer Card Rulings [Nov 2009]

• 5/1/2008: The ability that untaps it during your upkeep has been returned to an activated ability. There is no restriction on how many times it can be untapped during your upkeep with this ability.

Format Legality	Legal in Vintage, Legacy, Extended, MTGO Classic Banned in Standard
Printings (4/28)	Tenth Edition (Rare) Fifth Edition (Rare) Fourth Edition (Rare) Antiquities (Rare (U1))