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Flying When this creature enters, surveil 1. (Look at the top card of your library. You may put that card into your graveyard.) Delirium — This creature gets +1/+0 as long as there are four or more card types among cards in your graveyard.
Abilities, attacks, weakness & resistance
Other cards from Jumpstart: Historic Horizons
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Foul Watcher is a common blue Creature — Nightmare Bird from Jumpstart: Historic Horizons (J21). It has flying and a enters-the-battlefield surveil 1 trigger to manipulate the top of your library. It also gains +1/+0 from Delirium while there are four or more card types among cards in your graveyard, supporting graveyard-based synergies.
Catalog pricing data as of 28 Apr 2026, 09:47
