Champions of the Perfect (ECL 365)

Creature — Elf Warrior • Mana cost: {3}{G} • Lorwyn Eclipsed • Rare

As an additional cost to cast this spell, behold an Elf and exile it. (Exile an Elf you control or an Elf card from your hand.)
Whenever you cast a creature spell, draw a card.
When this creature leaves the battlefield, return the exiled card to its owner's hand.

Illustrated by Chris Rahn.