Highsky, Moving Fortress

[Flying] (This warrior can attack rear protected warriors.)
[Power Atk +300] (When send out to attack, it gains Pow +300 until the end of turn.)
[Terramorph] (Standing location produces this entity's attributes in addition to its own.)
< To summon this warrior, consume a Highsky named location >
- When this warrior is sent out to attack, you may summon a cost 4 or lower warrior.
[Enter] (When put in play) Return all warriors in target column to their owner's hand.