Just like last poll, I'm conflicted. I've decided to run a comparison of the top 25 most-used pokemon, and see which type has the advantage against each one (just like last poll where I compared Electric and Dragon).
Here's the tally:
Dragon is preferable against 15 of 25
Ground is preferable against 7 of 25
3 of 25 are even
Based on that, I'll likely go with Dragon. But, I'm going to wait a bit and see if something convinces me otherwise.
Here's the breakdown, with a quick analysis of each:
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1 Garchomp
Dragon hits Chomp SE, but gets hit SE in return. Since most Chomps are used in SS, Ground would be helpful.
Advantage: Even
2 Gengar
Gengar is immune to Ground, but Ground could come in damage-free on frequent Gengar Tbolts. Dragon resists Tbolt and is neutral offensively.
Advantage: Dragon
3 Blissey
No typing advantages on offense or defense. Ground is immune to frequent Twaves from the pink whore.
Advantage: Ground
4 Gyarados
Waterfall is Gyarados' move of choice, and hits Ground SE. Dragon resists Waterfall.
Advantage: Dragon
5 Tyranitar
Ground gets stab to prey on Tar's weakness. Ground is immune to Tar's everpresent Sandstream. Dragon brings nothing to the table here.
Advantage: Ground
6 Bronzong
All Zongs are Levitators and are immune to Ground. Zong resists Dragon. Defensively, both types are the same.
Advantage: Dragon
7 Lucario
Luke resists Dragon and is hit SE by Ground.
Advantage: Ground
8 Heatran
Dragon resists Heatran's fire stab, but Heatran's commonly carry Dragon Pulse. Heatran is 4x weak to Ground.
Advantage: Ground
9 Infernape
Dragon completely walls Infernape. Ground hits Infernape SE. Infernape is a hit-and-run artist, so the walling factor is more important.
Advantage: Dragon
10 Salamence
Dragon hits Mence SE, but is hit SE in return. Mence is immune to Ground.
Advantage: Dragon
11 Metagross
Ground hits Meta SE, and Dragon is resisted.
Advantage: Ground
12 Starmie
Most Stamie's carry Surf, which hits Ground SE and is resisted by Dragon.
Advantage: Dragon
13 Gliscor
Gliscor is immune to Ground. Dragon is neutral all around.
Advantage: Dragon
14 Celebi
Dragon resists Celebi Grass Knots, Poison/Ground is neutral. Celebi resists Ground.
Advantage: Dragon
15 Swampert
Dragon resists Swampert's Water STAB, and Ground is hit SE.
Advantage: Dragon
16 Weavile
Both types are the same versus Vile.
Advantage: Even
17 Skarmory
Skarmory resists Dragon and is immune to Ground. Defensively, both types are the same here.
Advantage: Dragon
18 Forretress
Forry resists Dragon and is neutral to Ground. Defensively, both types are the same here.
Advantage: Ground
19 Heracross
Hera resists Ground and is neutral to Dragon. Defensively, both types are the same here.
Advantage: Dragon
20 Vaporeon
Vappy's STAB is resisted by Dragon and hits Ground SE.
Advantage: Dragon
21 Zapdos
Ground is immune to Zapdos' always-used Electric STAB, Dragon resists it. However, Zapdos is immune to Ground attacks and Dragon hits Zappy neutral.
Advantage: Even
22 Azelf
Azelf levitates and is immune to Ground. Dragon hits the pixie neutral. Defensively, both types are the same here.
Advantage: Dragon
23 Togekiss
Togekiss is immune to Ground. Dragon hits it neutral. Defensively, both types are the same here.
Advantage: Dragon
24 Cresselia
Cressy levitates and is immune to Ground. Dragon hits it neutral. Defensively, Ground is immune to frequent Cressy Charge Beams, Dragon resists it.
Advantage: Dragon
25 Magnezone
Magnezone resists Dragon, but has a massive 4x weakness to Ground. Ground is immune to Magnezone's primary STAB, Dragon resists.
Advantage: Ground