Drawing the magic of the utopian plane A.'shak, you are able to sift through feats to find what would work best in a certain situation. You must meet the prerequisite of the feat to be able to acess it in this way, and you are not affected by any ability score increase. Pick three feats from the list of approved feats below. You can shift between them using an action and can use this as many times as you like, but only on the feats you choose. 

-Approved Feats-

Actor, Alert, Artificer Initiate, Athlete, Charger, Chef, Crossbow Expert, Crusher, Defensive Duelist, Dragon Hide, Dual Wielder, Dungeon Delver, Eldritch Adept, Elemental Adept, Fighting Initiate, Grappler, Great Weapon Master, Gunner, Heavily Armored, Heavy Armor Master, Infernal Constitution, Inspiring Leader, Keen Mind, Lightly Armored, Linguist, Lucky, Mage Slayer, Magic Initiate, Martial Adept, Medium Armor Master, Mobile, Moderately Armored, Observant,  Resilient, Savage Attacker, Sentiniel, Sharpshooter, Shield Master, Skilled, Sulker, Slasher, Spell Sniper, Tavern Brawler, Telekinetic, Telepathic, Tough, War Caster, Weapon Master.