Ajani, Mentor of Heroes | Magic: The Gathering
Formats Ajani, Mentor of Heroes is Legal in
Official Oracle Text for Ajani, Mentor of Heroes
+1: Look at the top four cards of your library. You may reveal an Aura, creature, or planeswalker card from among them and put it into your hand. Put the rest on the bottom of your library in any order.
−8: You gain 100 life.
Official Rulings for Ajani, Mentor of Heroes
4/26/2014 : If one or more, but not all, of the targets of the first ability are illegal when that ability tries to resolve, no counters will be placed on illegal targets. You can’t change the distribution you announced when you activated the ability; the excess counters are just lost.