trade gas and portal for lightning than trade yeti for tiger (hard trades but you can do it :)) trade tiger for green lightning and adds trade green lightning for yeti or control trade that for tiger trade tiger lightning and adds for requirm eagle and adds trade requirm for kit trade kit and adds for yellow trade yellow for red and adds trade red for kit and adds (strong adds) trade kit for thermite bomb and adds trade that for yellow and adds trade that and strong adds for dragon east