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First strike As an additional cost to cast red permanent spells, you may pay 2 life. Those spells cost {R} less to cast if you paid life this way. This effect reduces only the amount of red mana you pay. Whenever you cast a red permanent spell, this creature deals 1 damage to any target.
Abilities, attacks, weakness & resistance
Other cards from Dominaria United
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Defiler of Instinct (DMU 119, Rare) is a red creature with first strike from the Dominaria United set. It lets you optionally pay 2 life as an additional cost to cast red permanent spells to reduce those spells' red mana requirement by {R}, and it deals 1 damage to any target whenever you cast a red permanent spell. Its abilities support aggressive red strategies by enabling small incremental damage and lowering the red-mana burden on subsequent permanents.
Catalog pricing data as of 30 Apr 2026, 12:11
