Hollow Grove enters the battlefield tapped.
: Add or to your mana pool.
Put Hollow Grove on top of your library: Add to your mana pool.
: Target 1/1 creature gets +1/+0 until end of turn.
: Add 
or 
to your mana pool.
to your mana pool. : Target 1/1 creature gets +1/+0 until end of turn.
