
Whenever you cast your first spell during each of your turns, exile the top card of target opponent's library and create a Treasure tokenTreasure tokenA Treasure is an artifact token with ", Sacrifice this token: Add one mana of any color.". Then you may cast the exiled card without paying its mana cost if it's 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. less than the number of artifacts you control. If you don't cast it this way, you may cast it this turn.
Hover an underlined rule to see what it means.
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.