# 2023 Magic: The Gathering Phyrexia: All Will Be One Promos #259p

> The Seedcore (259p) is a rare foil promo card from the 2023 Phyrexia: All Will Be One Promos set for Magic: The Gathering, featuring unique mana generation and corruption mechanics.

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## Identity

- **Year**: 2023
- **Manufacturer brand**: Magic: The Gathering
- **Set / series**: Phyrexia: All Will Be One Promos
- **Card number**: #259p
- **Product type**: TCG_CARD

## Description

The Seedcore stands as a distinctive artifact within the Magic: The Gathering ecosystem, specifically released as part of the Phyrexia: All Will Be One Promos collection in 2023. Identified by the set code PONE and card number 259p, this foil version captures the aesthetic and mechanical identity of the Phyrexian threat that defined the era. As a Land — Sphere with a mana value of zero, it serves as a foundational resource card for players seeking to integrate Phyrexian themes into their decks. Designed by Kasia 'Kafis' Zielińska, the card offers strategic depth through its versatile mana generation capabilities. Players can tap The Seedcore to add colorless mana or one mana of any color, with a crucial restriction: the latter can only be spent to cast Phyrexian creature spells. This design encourages builders to construct archetypes centered around the Phyrexian faction, rewarding those who commit to the corrupted playstyle. Additionally, the card features a Corrupted ability that allows a target 1/1 creature to gain +2/+1 until the end of the turn, but only if an opponent has accumulated three or more poison counters. This conditional power makes it a potent tool in late-game scenarios or control-oriented strategies. For collectors, The Seedcore represents more than just gameplay utility. The foil finish adds a layer of visual appeal, distinguishing it from standard prints and making it a desirable addition for those cataloging the Phyrexia: All Will Be One era. Whether you are a dedicated Magic: The Gathering collector focusing on promotional releases or a player looking to expand your Phyrexian toolkit, this card offers a tangible connection to one of the game's most iconic storylines. Explore the growing selection of Magic: The Gathering promos to find the perfect piece for your collection.

## FAQ

### What is The Seedcore in Magic: The Gathering?

The Seedcore is a rare Land — Sphere card from the 2023 Phyrexia: All Will Be One Promos set. It allows players to generate colorless mana or any color of mana for Phyrexian creature spells, and provides a conditional buff to creatures if opponents have poison counters.

### Who designed the art for The Seedcore promo card?

The artwork for The Seedcore (card number 259p) was created by Kasia 'Kafis' Zielińska. Her work is featured on the foil version released as part of the Phyrexia: All Will Be One Promos collection.

### Is The Seedcore a foil card?

Yes, the specific catalog entry for The Seedcore (259p) from the Phyrexia: All Will Be One Promos set is printed with a foil finish. This treatment enhances its visual appeal for collectors and distinguishes it within the set.

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Last verified: 2025-11-29.