Refugium

Ambivalent (You may pay {2} for {g})
(Play the following abilitys only as a sorcery.)
Enter {g} - Entered creatures have defender and
reach.
Leaving {0} - Leaving creatures gain reach
and trample until the end of turn.
Fortify {g}{g}{g}: Choose one - Put five +0/+1
fortification-counters on this card, or put two
+1/+1 guardian-counters on this card or its lord.
(You may transfer guardians for {0} from this place to
its lord and reverse as a sorcery.)