Depth Charge Colossus
Artifact Creature - Dreadnought
| Power/Toughness:
9 / 9
(CMC 9)
Prototype -- 6/6 (You may cast this spell with different mana cost, color, and size. It keeps its abilities and types.)
Depth Charge Colossus doesn't untap during your untap step.
: Untap Depth Charge Colossus.