(: Add or to your mana pool.)
Slagheap Tar Pit enters the battlefield tapped.
, : Target land becomes a 3/3 red Goblin Beast creature until end of turn. It's still a land.
, Sacrifice a Swamp: Add to your mana pool.
: Add 
or 
to your mana pool.)
, : Target land becomes a 3/3 red Goblin Beast creature until end of turn. It's still a land., Sacrifice a Swamp: Add to your mana pool.
