Herald, Viking of Dane

+2: Destroy target land. Herald, Viking of Dane deals 1 damage to that lands controler
-4: Untap all creatures that attacked this turn. After this main phase, there is an additional combat phase followed by an additional main phase.
-7: Destroy all lands you control. For each land destroyed this way, create two 4/4 red Human Warrior creature token with menace and haste.