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As an additional cost to cast this spell, you may pay {2}{R}. Prevent all combat damage that would be dealt this turn. If this spell's additional cost was paid, this effect doesn't affect combat damage that would be dealt by red creatures.
Abilities, attacks, weakness & resistance
Other cards from Alliances
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Undergrowth (ALL 102a) is an instant from the Alliances set that normally costs {G} to cast. It prevents all combat damage that would be dealt this turn, but if you paid the optional additional cost ({2}{R}) red creatures still deal combat damage. The card's alternate-cost choice creates situational interaction with red attackers and gives deckbuilders a defensive tool that can be tuned by paying the extra cost.
Catalog pricing data as of 18 Apr 2026, 17:59
