When Warband enters, tap any number of creatures that can join a warband.
Warband's power becomes the sum of the powers of the creatures tapped in this way, same is true for its toughness. If any of the creatures tapped in this way had flying, Warband has flying, the same is true for hrst strike, double strike, lifelink and trample. Warband enters tapped an attacking as long as its your turn. If a creature that joined a warband leaves the battlefield, Warband gets -X/-Y where X is that creature's power and Y is its toughness. If Warband leaves the battlefield during combat, each creature that joined it is treated as an attacking creature. If damage dealt to the Warband would lead to its destruction, remove it from the game. The Warband's controller distributes that damage between the creatures that joined the warband. At the end of combat, exile Warband.