Chandra & Nissa,Unchained

: Whenever you play a land or cast an instant or sorcery spell, put a loyalty counter on Chandra & Nissa, Unchained.
-2: Exile up to one target artifact. Exile up to one target enchantment. Chandra & Nissa deals 2 damage to each opponent and you gain 2 life.
-7: Exile the top seven cards of your library. You may play them this turn. Put each land card exiled this way onto the battlefield.