Description
| Set: | The Dark |
| Type: | Enchantment |
| Rarity: | Rare |
| Cost: | {3}{U}{U} |
As Psychic Allergy enters the battlefield, choose a color.
At the beginning of each opponent’s upkeep, Psychic Allergy deals X damage to that player, where X is the number of nontoken permanents of the chosen color they control.
At the beginning of your upkeep, destroy Psychic Allergy unless you sacrifice two Islands.

![Psychic Allergy [The Dark]](https://www.cardgametoponline.com/wp-content/uploads/2026/07/psychic-allergy-dark.webp)
![Hostility [Lorwyn]](https://www.cardgametoponline.com/wp-content/uploads/2026/07/hostility-lorwyn.webp)
![Vesuva [From the Vault: Realms]](https://www.cardgametoponline.com/wp-content/uploads/2026/07/vesuva-from-vault-realms.webp)
![Oath of Druids [Judge Gift Cards 2001]](https://www.cardgametoponline.com/wp-content/uploads/2026/07/oath-druids-judge-gift-cards-2001.webp)
![Living Artifact [Beta Edition]](https://www.cardgametoponline.com/wp-content/uploads/2026/07/living-artifact-beta-edition.webp)
![Silver Knight [Friday Night Magic 2004]](https://www.cardgametoponline.com/wp-content/uploads/2026/07/silver-knight-friday-night-magic-2004.webp)
![Underworld Dreams [Magic 2010]](https://www.cardgametoponline.com/wp-content/uploads/2026/07/underworld-dreams-magic-2010.webp)
![Shoe Tree (Alternate Foil) [Unhinged]](https://www.cardgametoponline.com/wp-content/uploads/2026/07/shoe-tree-alternate-foil-unhinged.webp)
![Junun Efreet [Arabian Nights]](https://www.cardgametoponline.com/wp-content/uploads/2026/07/junun-efreet-arabian-nights.webp)