Kida, Atlantean Explorer

: Whenever you tap an artifact for mana, you may search your deck for a basic land and put it on the battlefield tapped, then shuffle your deck.
+1: Discard a card, then return one card from your graveyard to your hand.
-7: Exile the top 10 cards of your library. You may play any lands and artifacts exiled this way without paying their mana cost.