(Slagheap Grove isn't a spell.)
Slagheap Grove enters the battlefield tapped unless you reveal a land card from your hand.
, : Look at target player's hand.
: Add to your mana pool.
: Add or to your mana pool. Each opponent gains 1 life.
, 
: Look at target player's hand.: Add to your mana pool.: Add 
or 
to your mana pool. Each opponent gains 1 life.
