Leyline of Mutation
Enchantment
If this card is in your opening hand, you may begin the game with it on the battlefield.
You may pay 
rather than pay the mana cost for spells you cast.
Life thrives in the Hauntwoods, but it follows its own laws, unbound from the natural order.
Illustrated by
Duskmourn: House of Horror#188RareEnglish