Whenever you cast a spell with mana value 4 or greater, draw a card.
$3.99 $2.39
$21.00 $12.60
$23.00 $13.80
$9.00 $5.40
$10.00 $8.00
$5.99 $3.59
$13.00 $5.00
$9.99 $5.99