All previous powers to a greater extent, Dimensional Travel and Teleportation (Can teleport to different planes via planeswalking, emitting light or smoke in the process), Non-Physical Interaction (Can interact and cut the leylines of a plane), Telekinesis (Shown here), Information Analysis (Via Deep Analysis), Fear Manipulation and Voice Mimicry (Can invoke fear as well as mimic voices from several long gone predators), Clairvoyance (Via his orb), Avatar Creation (Can create imp-like avatars of himself), Power Nullification (Stated to be able to crush magic), Soul Manipulation, Life Manipulation, and Death Manipulation (Via a card literally named Soul Manipulation, the flavor text is Bolas saying "Life and Death are both reversible". Can absorb souls, becoming more powerful. Can bring instant death within a touch), Void Manipulation (All planeswalkers can reach into the Blind Eternities, a void that separates all planes and is incomprehensible by all beings. Superior to that of Tezzeret, who pulled Jace Beleren out of the Blind Eternities), Fate Manipulation (Via Crux of Fate, the battle between him and Ugin would determine the fate of dragons on Tarkir), Mind Manipulation, Death Manipulation, Transmutation, and Corruption (Type 3; While invading Amonkhet, Bolas cast a spell that killed every adult on the plane, and then wiping out the mind of five gods, then corrupting the other three, transforming their bodies. Described to be the "Mind-Ripper" and "Being able to bring death with a touch". Spat fire at a rock, transforming it into a statue of himself), Power Bestowal (Acted as a broker of Liliana's contract, that after she kills her four demons who she made the contract with, she would become more powerful and become immortal again. In Truth, Bolas made the contract and controls it, able to dissolve Liliana into fire if she should break it. Bestowed power onto the corrupted gods. Bestowed Precognition to Yasova Dragonclaw of a future of Tarkir with no dragons. Granted Liliana Vess immunity to Jace's Mind Manipulation) Shapeshifting (Took a form of a human while recruiting Ral Zarek), Healing (Presumably healed Tezzeret from his wounds), Resistance Negation (Pierced through Gideon's Invulnerability), Damage Reduction (Can prevent damage via Delight in the Hunt), Summoning (With the Planar Beacon, he can summon all planeswalkers to one plane. Not combat applicable), Deconstruction (Can deconstruct Liliana if she should defy Bolas. Also shown here, also via Make Yourself Useful), Fire Manipulation (Superior to Chandra, also shown here, also seen in My Laughter Echoes), Electricity Manipulation (Shown here and here), Plant Manipulation (Summoned dark plants to attack Nissa), Telepathy (Shown here, and can use this ability), Magma Manipulation (Via Magmaquake), BFR (Can force beings into different planes), Blood Manipulation (Via Blood Reckoning), Perception Manipulation and Body Puppetry (Via Know Evil), Madness Manipulation (Tormented Ugin with his magic via Tormenting Voice, also via My Laughter Echoes), Power Nullification (With the Immortal Sun, he can prevent planeswalkers from planeswalking), Necromancy (Of himself and others, superior to Liliana), Extrasensory Perception (Can sense every move on the plane of Ravnica), Resistance Manipulation (Destroyed all of Jace's mental resistances) Resistances: Mind Manipulation, Void Manipulation, Death Manipulation, Reality Warping, Non-Physical Interaction, Existence Erasure, Corruption (Type 3), Transmutation (Able to resist the effects of the Blind Eternities), Fire Manipulation, Life Manipulation, and Plant Manipulation (Ignored Chandra's flames and Nissa's vines), Mind Manipulation (When Jace entered Bolas's mind, it was completely empty and erased, and then crushed it), Soul Manipulation (Survived even after Ajani Goldmane used his soul against him), Pain Manipulation (Calls pain "a delusion of the weak")
As he has mastery over blue, black, and red spells, he should be able to do the following: Irreversible Damage (Can cast spells that prevent generation, and spells that can't be countered), Illusion Creation and Water Manipulation (Can utilize blue spells that manipulate water or create illusions), Summoning (Can summon creatures), Existence Erasure (Type 4: Can likely cast Cast Down, a spell that erases someone to they point where they are forgotten. Although not directly shown, he can likely cast Rip Apart, which tears someone from reality, memory, and history altogether), Elemental Manipulation: (Several red or blue spells can create or summon elementals), Time Stop (Via Time Stop), Causality Manipulation and Power Nullification (Can cast spells with Split Second, which as long as they are on "the stack", other players can't cast spells or activate abilities that aren't mana abilities) Resistances: Power Nullification (Via spells that can't be countered)
As stated to be superior versions of members of the Gatewatch, he should have the following: Life Absorption and Aura (Capable of generating an aura that absorbs life around it), Biological Manipulation (Possesses a spell capable of causing instant necrosis, rotting away all flesh), Soul Manipulation (Can rip out souls), Statistics Amplification (Can strengthen zombies, such as the Dreadhorde), Statistics Reduction (Capable of reducing the power and durability of opponents), Corrosion Inducement (Can cause objects such as armor to corrode away)