At the beginning of your upkeep, exile the top card of your library. You may play that card this turn.
At the beginning of your end step, if you didn't play a card from exile this turn, create a tapped Powerstone token. (It's an artifact with "T: Add 1. This mana can't be spent to cast a nonartifact spell.")
Card Type
Enchantment
Rarity
Rare
Edition
Prerelease Cards
Condition
Near Mint
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