Armor Class 13
Hit Points 52 (8d8 + 16)
Speed 30 ft.
Saving Throws DEX +6
Skills Acrobatics +6, Arcana +7, Perception +3
Damage Resistances lightning, thunder
Senses passive Perception 13
Languages Common and Primordial, plus any one language
Challenge 5
Galvanic Overcast (Recharge 5–6). When the blastseeker casts lightning bolt or thunderwave, it can roll a die. On an odd number, the blastseeker takes 9 (2d8) force damage. On an even number, the spell also deals 9 (2d8) lightning damage to each target that fails its saving throw.
Heart of the Storm. When the blastseeker casts lightning bolt or thunderwave, all other creatures within 10 feet of the blastseeker each take 3 lightning damage.
Gust-Propelled Leap. The blastseeker can use a bonus action to fly up to 10 feet without provoking opportunity attacks.
Spear. Melee or Ranged Weapon Attack: +3 to hit, reach 5 ft. or range 20/60 ft., one target. Hit: 3 (1d6) piercing damage, or 4 (1d8) piercing damage if used with two hands to make a melee attack.
Guildmaster's Guide to Ravnica, p. 243