Fort of Brutality

+1: Put a 0/1 green creature token with 'when this creature enters the battlefield, add 1 mana of any colour to your mana pool.'
-3: Search your library for up to 2 basic lands and put them onto the battlefield tapped.
-10: Search your library for X lands and put them onto the battlefield where X is 10 plus the the number of loyalty counters on Fort of Brutality.