(: Add or to your mana pool.)
At the beginning of your upkeep, Obsidian Megaliths deals 2 damage to target creature you control.
: Obsidian Megaliths becomes a 2/2 black Horror creature until end of turn. It's still a land.
: Add 
or 
to your mana pool.)
: Obsidian Megaliths becomes a 2/2 black Horror creature until end of turn. It's still a land.
