Instant, 3U (4)
Uncommon
Put target creature on top of its owner's library. If that creature is red, you may put it on the bottom of its owner's library instead.
"Whoa-my tail will never fit through that hole!"
Illus. Charles Gillespie

10/4/2004: The choice of where to put the creature is made on resolution.
Legal in Vintage (Type 1)
Legal in Legacy (Type 1.5)
Legal in Classic (MTGO)
Legal in Commander