Elvish Piper
Magic 2010 — rare
Creature — Elf Shaman
Elvish Piper rulings:
2009-10-01: A "creature card" is any card with the type creature, even if it has other types such as artifact, enchantment, or land. Older cards of type summon are also creature cards.
2007-05-01: Putting the card onto the battlefield is optional. When the ability resolves, you can choose not to.