"Tenth Edition", "untap step" (3)
Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.)
Colossus of Sardia doesn't untap during your untap step.
: Untap Colossus of Sardia. Activate only during your upkeep.
Enchant creature (Target a creature as you cast this. This card enters attached to that creature.)
Enchanted creature doesn't untap during its controller's untap step.
Untap all permanents you control during each other player's untap step.
Gatherer works better in the Companion app!
: Untap Colossus of Sardia. Activate only during your upkeep.