Is Magby good in Pokemon GO?

Not on its own, but Magmortar is B-tier for Max Battle attacker, so a good copy is worth evolving.

Is Magby a good raid attacker?

Magby ranks #215 of 263 fire attackers with 6.3 DPS. That is outside the top 15, so it is not a raid priority.

Should I evolve Magby?

Magmortar is B-tier for Max Battle attacker. Evolve the copy with the best IVs for that role and transfer spare Magby for candy.

Can Magby be shiny in Pokemon GO?

Yes. Shiny Magby is available from egg, photobomb, research, wild. A shiny is worth keeping for the collection no matter its IVs.

#240 · Generation 2

Magby

fireBaby

Max CP (L40 / L50): 1,323 / 1,496
Raid catch CP (L20 / L25): 756 / 945
Research CP (L15): 567
Buddy distance: 5 km
2nd charged move: 10,000 dust · 25 candy

Shiny
Shadow
Tradable
Mega
Dynamax

Situational

Magby does little on its own, but Magmortar has a niche. Keep one good-IV copy to evolve.

Battle roles

–
Great League#682 of 1154 · score 70.1
Ranked #682 of 1154; not competitive in Great League.
–
Little Cup#83 of 168 · score 70.4
Ranked #83 of 168; not competitive in Little Cup.

Worth evolving into

Magmortar
B Max Battle attacker (dynamax)

Collection value

Nothing special: keep one for the Pokedex.

Tiers: S = meta-defining, A = strong, B = playable, C = niche. PvP from PvPoke overall rankings; raids from computed DPS/TDO within each attacking type; Max Battles from GO Hub tier lists.

Base stats

Attack151

Defense99

Stamina128

Base stats. Bars are scaled to the strongest Pokemon in the game.

Weak to

ground×1.6
rock×1.6
water×1.6

Resists

bug×0.625
fairy×0.625
fire×0.625
grass×0.625
ice×0.625
steel×0.625

Evolution line

Magby
→25 candyMagmar
→100 candy + Sinnoh StoneMagmortar

→ Magmar: 25 candy

Check your Pokemon's IVs

Ranks all 4,096 spreads for each league

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PvP rankings (GO Battle League)

League	Tier	Rank	Score	Recommended moves	Typical build
Little Cup	–	#83 / 168	70.4	Karate Chop · Fire Punch · Brick Break	L14.5 · 4/14/10
Great League	–	#682 / 1154	70.1	Karate Chop · Fire Punch · Brick Break	L50 · 15/15/15

Source: PvPoke overall rankings. Score is relative to the league meta (100 = best). Typical build is the IV spread PvPoke assumes.

Raid attacker rankings

Attacking type	Tier	Rank	DPS	TDO	Best moves
fire	–	#215 / 263	6.3	48	Ember · Fire Punch
fighting	–	#258 / 283	5.9	45	Ember · Brick Break

Level 40, 15/15/15, neutral target. DPS = damage per second, TDO = total damage output before fainting. Rank is among every Pokemon using that attacking type.

Moves

Fast move	Type	Raid power	Energy	Duration	DPS	PvP power	PvP energy	Speed
EmberSTAB	fire	10	+10	1.0s	10.0	4	+9	2 turns
Karate Chop	fighting	10	+13	1.0s	10.0	5	+9	2 turns

Charged move	Type	Raid power	Energy	Duration	Dmg/energy	PvP power	PvP energy	Effects
Brick Break	fighting	40	-33	1.5s	1.21	50	-40	100% chance: -1 foe Def
Fire PunchSTAB	fire	50	-33	2.0s	1.52	60	-40
Flame BurstSTAB	fire	70	-50	2.5s	1.40	70	-55
FlamethrowerElite TMSTAB	fire	65	-50	2.0s	1.30	90	-55

Questions people ask

Is Magby good in Pokemon GO?: Not on its own, but Magmortar is B-tier for Max Battle attacker, so a good copy is worth evolving.
Should I keep or transfer Magby?: Magby does little on its own, but Magmortar has a niche. Keep one good-IV copy to evolve.
Is Magby a good raid attacker?: Magby ranks #215 of 263 fire attackers with 6.3 DPS. That is outside the top 15, so it is not a raid priority.
Should I evolve Magby?: Magmortar is B-tier for Max Battle attacker. Evolve the copy with the best IVs for that role and transfer spare Magby for candy.
Can Magby be shiny in Pokemon GO?: Yes. Shiny Magby is available from egg, photobomb, research, wild. A shiny is worth keeping for the collection no matter its IVs.

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Verdict: Situational