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