(: Add or to your mana pool.)
When Obsidian Cradle enters the battlefield, you lose 2 life unless you reveal a creature card from your hand.
, Sacrifice Obsidian Cradle: Target creature gets +2/+2 until end of turn.
: Add 
or 
to your mana pool.), Sacrifice Obsidian Cradle: Target creature gets +2/+2 until end of turn.
