With the release of 6.86 a couple of reworked heroes had been removed from Captain’s Mode due to their substantial changes, and last night Valve reworked the heroes again, and reintroducing 5 of the heroes back into the draft pool, excluding Riki.
Lone Druid, Winter Wyvern, Doom, Faceless Void and Death Prophet have all been re-added to Captain’s Mode.
Death Prophet’s scaling based on her Witchcraft passive ability came to an end in 6.86 and now she has a new active spell.  Spirit Siphon creates a spirit link between DP and her target that lasts for four seconds draining 20 + 1/1.8/2.6/3.4% Max HP per second and slowing movement speed by 6/10/14/18%.
Doom’s Level Death was replaced with a new passive ability called Infernal Blade, which is an auto attack modifier that applies a ministun for 0.3 seconds and a four second burn that deals 40 + 1.25/2.5/3.75/5% Max HP as magic damage.
Faceless Void lost one of  the most famous RNG abilities in Dota, Backtrack, which was replaced with Time Dilatation, a spell that applies a debuff to all nearby enemies (650 AoE) for 6/7/8/9 seconds. Causes time to be frozen on all enemy abilities, stopping their cooldowns from making any progress while they have this debuff. It also slows movement and attack speed by 4/6/8/10% for each locked ability.
Lone Druid lost his Synergy to Savage Roar, an active ability that causes enemies in a 325 AoE around him and his bear to run away with 20% movement speed bonus for 1.2/1.6/2/2.4 seconds towards their fountain. An entangled hero will not be able to move still.
Winter Wyvern got her ultimate totally reworked and now the Cursed target is immune from all damage from his enemies but the ultimate duration is now increased and the heroes attacking their own teammate are having extra attack speed.