How to use Nissa Revane

Whenever a creature enters, that creature's controller may have it deal damage equal to its power to any target of their choice.

+1: Search your library for a card named Nissa's Chosen, put it onto the battlefield, then shuffle. +1: You gain 2 life for each Elf you control. −7: Search your library for any number of Elf creature cards, put them onto the battlefield, then shuffle.