The Spirit\'s Endeavour

First strike The Spirit’s Endeavours’ power is equal to the amount of Spirits you control. {w}: Put a 1/1 Spirit creature token on the battlefield tapped. {t}: Sacrifice X Spirits: Look at the top X cards of target opponent’s library. Put all nonland permanent cards mana value X or less on the battlefield under your control tapped. Exile the other cards. As long as you have fifteen or more cards in exile, this creature has double strike and flying.