Holon's Electrode is card #21 of 113 in Delta Species (2005), a Rare illustrated by Hisao Nakamura. At about $27.70 it is the #78 most valuable card in the set. In a Delta Species booster it turns up about once every 32 packs. It is one of 46 Electrode cards printed so far.
1999Base Set
2004FireRed & LeafGreen
2005Emerald
2007Secret Wonders
2011BW Black Star Promos
2014XY
2018Celestial Storm
2021Chilling Reign

















See the full Delta Species card list
An ungraded Holon's Electrode from Delta Species sells for about $27.70. A PSA 10 is worth more, roughly $360 by our estimate, and a PSA 9 around $111.
It is a Rare, and it shows up about once every 32 Delta Species packs.
Hisao Nakamura drew the art for this card.
Yes, as a digital simulator. Holobrook lets you open Delta Species booster packs in your browser with the set's real pull rates and keep what you pull in a digital binder. No real cards, nothing to buy.