Set:	Secret Lair Drop Series
Type:	Instant
Rarity:	Rare
Cost:	{X}{G}{G}{G}

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.)
Search your library for a creature card with mana value X or less, put it onto the battlefield, then shuffle. You never really know when a new Miku fan might make an appearance.