Caelestial Ties

Put any number of target lands in your graveyard and/or hand onto the battlefield.
This turn you may cast instant or sorcery spells
from your hand with converted mana cost X or
less without paying their mana costs, where X is
the number of lands put onto the battlefield this
way.
"As the Three Worlds fell apart around us, Naeris
touched them with her soul, and all was made new."