Undergrowth ALL/102b

Set: Alliances
Collector Code: ALL/102b
Name: Undergrowth
Type: Instant
Oracle text: 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.
Rarity: Common