Sunny Castform
# Sunny Castform (Delta Species) Sunny Castform represents the Delta Species era's experimental approach to Pokémon card design, featuring the weather-changing mechanic that defined the set's identity. Collectors appreciate this card for its thematic connection to Castform's in-game weather abilities, making it a natural fit within Delta Species' type-shifting gimmick. The card exists in standard and reverse holofoil versions, with both formats attracting different collector preferences. Reverse holos appeal to those seeking subtle visual variety, while regular holos remain the default choice for set completion. Condition and centering matter significantly for both versions, as with most cards from this era. The card's modest power level means gameplay interest remains secondary to its collectible appeal.