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Stern Lesson
Instant
common
Draw two cards, then discard a card. Create a tapped Powerstone token. (It's an artifact with ": Add . This mana can't be spent to cast a nonartifact spell.")
Card Kingdom
CardmarketSemantic Tags
Puts additional cards into your hand. Includes direct draw, 'look/reveal and put into hand' effects, and conditional draw triggers.
Draw-then-discard or discard-then-draw effects that improve hand quality without net card advantage.
A permanent with a repeatable activated ability that converts excess mana into value.
Accelerates mana production beyond the one-land-per-turn baseline. Umbrella tag — see ramp subtypes for land ramp, mana dorks, mana rocks, and rituals.
Creates creature tokens, Treasure tokens, Food tokens, Clue tokens, or other token types.
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Printings (1)
| Set | Rarity | TCGplayer | Card Kingdom | Cardmarket |
|---|---|---|---|---|
| The Brothers' War#64 | common | · | · | · |
Rulings
You can use the {C} added by a Powerstone token on anything that isn't a nonartifact spell. This includes paying costs to activate abilities of both artifact and nonartifact permanents, paying ward costs, and so on.
Powerstone tokens are a kind of predefined token. Each one has the artifact subtype "Powerstone" and the ability "{T}: Add {C}. This mana can't be spent to cast a nonartifact spell."
Although all the cards in The Brothers' War that create Powerstone tokens create a tapped Powerstone token, entering the battlefield tapped isn't part of the token's definition. Notably, if you create a token that is a copy of a Powerstone token, the token copy won't enter the battlefield tapped.