MaltNEXT,UltraWar DragonRul

Double strike.
Mana Arms{p/r} : When you put this card into the battlefield, if you control 5 or more islands,
put a equipment that costs 5 or less from outside
the game put on the battlefield and attach it.
Dragon Mana Arms {p/u}: When this creature
attacks for the first time in a turn,
if you control 5 or more mountains, untap it
after the battlephase.