Karplusan Forest is one of those cards players keep asking about. Here is, in plain words, what its official text says, the rulings published by Wizards of the Coast, and the combos players actually run.
Official card text
: Add
.
or
. This land deals 1 damage to you.
Complete guide
Karplusan Forest is a classic 'pain land' that provides essential mana fixing for Red and Green decks. It offers the flexibility of producing colorless mana safely or colored mana at the cost of a small amount of life. Understanding how to manage this resource is key to balancing your life total with your spell-casting requirements.
How It Works
Karplusan Forest has two distinct activated mana abilities. The first ability allows you to tap it to add one colorless mana ({C}) without any side effects. The second ability allows you to tap it to add either one Red ({R}) or one Green ({G}) mana, but it triggers an effect where the land deals 1 damage to you as part of the resolution of that mana ability.
Step-by-Step Resolution
When you need mana, you announce you are activating Karplusan Forest. If you choose the first ability, you simply add {C} to your mana pool. If you choose the colored mana ability, you choose whether you want Red or Green; then, the mana is added to your pool and the land deals 1 damage to you immediately. Because these are mana abilities, they do not use the stack and cannot be responded to.
Common Mistakes
Players often forget that the 1 damage is not a cost, but an effect of the ability. You cannot use damage prevention to stop the damage and still get the mana, though the mana is produced regardless of whether the damage is prevented. Additionally, remember that this is damage, not loss of life, which means it can interact with effects that care about being dealt damage.
When to Play It
You should play Karplusan Forest early in the game when you need to ensure you hit your specific color requirements for spells. As the game progresses and your life total becomes more precious, try to use its colorless mana ability whenever possible, or rely on other lands like Command Tower to provide your colors safely.
Interaction examples
On turn two, you have a spell that requires Green mana but only have Karplusan Forest and a Mountain. You tap Karplusan Forest for Green mana, taking 1 damage, to successfully cast your spell on curve.
Command TowerIf you have both lands on the field in a Red-Green Commander deck, tapping Command Tower for Green mana is strictly better than using Karplusan Forest's second ability, as Command Tower provides the color without dealing 1 damage to you.
Exotic OrchardIf your opponent controls Karplusan Forest and you control Exotic Orchard, your Exotic Orchard can produce Red, Green, or Colorless mana. This is because Karplusan Forest has abilities that could produce any of those three types of mana.
Guide written with AI from the official text and rulings. Official English text prevails.
How it works : Karplusan Forest
Original English text — Wizards of the Coast / Scryfall
No additional ruling has been published for this card.
Legal formats
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Meta decks with Karplusan Forest
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