(: Add or to your mana pool.)
Unstable Marsh enters the battlefield tapped.
: Unstable Marsh becomes a 1/1 black and red Troll Beast creature with first strike until end of turn. It's still a land.
: Add 
or 
to your mana pool.)
: Unstable Marsh becomes a 1/1 black and red Troll Beast creature with first strike until end of turn. It's still a land.
