Abzan Skycaptain
Fate Reforged — common
Creature — Bird Soldier
Abzan Skycaptain rulings:
2014-11-24: Bolster itself doesn't target any creature, though some spells and abilities that bolster may have other effects that target creatures. For example, you could put counters on a creature with protection from white with Abzan Skycaptain's bolster ability.
2014-11-24: You determine which creature to put counters on as the spell or ability that instructs you to bolster resolves.