Holon Research Tower
#26 · 2005 · 86 cards
Market Price · Near Mint · Updated August 10, 2026
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Prices updated Aug 10, 2026
Recent market data · NM
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HP
70
Type
Pokémon
Stage
Basic
Evolves from
[]
Ability
Temperamental Weather
Once during your turn (before your attack), you may search your deck for Castform, Sunny Castform, or Snow-cloud Castform and switch it with Rain Castform. (Any cards attached to Rain Castform, damage counters, Special Conditions, and effects on it are now on the new Pokémon.) Shuffle Rain Castform back into your deck. You can't use more than 1 Temperamental Weather Poké-Power each turn.
Attack
Holon Splash
30+
Does 30 damage plus 10 more damage for each Holon Energy card attached to Rain Castform.
Weakness
Retreat Cost
Illustrated by
Miki Tanaka
Pokédex
#351
Rainbow Energy
Aquapolis
0.0%14d
Rainbow Energy
Blue Shock
Rainbow Energy
BREAKthrough
+2.9%14d
Rainbow Energy
Celestial Storm
-0.0%14d
Rainbow Brush
Celestial Storm
+1.1%14d
Rainbow Brush
Celestial Storm
0.0%14d
Rainbow Energy
Celestial Storm
+4.5%14d
Rainbow Energy
Champion Road
Rainbow Energy
Champion Road
0.0%14d
Rainbow Energy
Collection Moon
Ungraded + PSA / CGC / BGS grades
| Condition | Market |
|---|---|
| Near MintMost common | — |
| Lightly Played | — |
| Moderately Played | — |
| Heavily Played | — |
| Damaged | — |
Live market prices · ~ estimated using standard condition discounts
