
At the beginning of your upkeep, you may cast a permanent spell from your hand with mana valuemana valueThe total amount of mana in a card's cost, ignoring colour. A card costing has mana value 4. X counts as 0 except on the stack. equal to 1 plus the greatest mana valuemana valueThe total amount of mana in a card's cost, ignoring colour. A card costing
has mana value 4. X counts as 0 except on the stack. among other permanents you control without paying its mana cost. If you don't, scryscryLook at that many cards from the top of your library, then put any number on the bottom and the rest back on top in any order. 1.
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Read from the rules text. A card that enables a keyword makes or is the thing; a card that rewards it gets better when you have it. Two cards interact when one enables what the other rewards.