Edward, Fullmetal Alchemist

As an additional cost to casting Edward, Fullmetal Alchemist exile a creature and search your library for a artifact that artifact has a power and toughness equal to that creatures converted mana cost
Alchemy: (When you cast an instant or sorcery you get a 1/3 Green Pillar creature token that has when this creature dies you may play a land or draw a card)