
This spell costs less to cast for each creature in your partyyour partyYour party consists of up to one each of Cleric, Rogue, Warrior, and Wizard.. (Your party consists of up to one each of Cleric, Rogue, Warrior, and Wizard.)
Search your library for a card, put it into your hand, then shuffle. If you have a full partyfull partyYour party is up to one each of Cleric, Rogue, Warrior and Wizard among creatures you control. Four makes a full party., you may cast a spell 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. 4 or less from your hand without paying its mana cost.
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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.