When this creature enters, you may search your library for an Elf card, reveal it, then shuffle and put that card on top.
: Add one mana of any color.
Illustrated by Larry MacDougall · The List · #DD1-4
There are no rulings for Elvish Harbinger.
Play with the top card of your library revealed.
As long as the top card of your library is a creature card, this creature gets +3/+3.
As long as the top card of your library is a land card, this creature has ": Add two mana of any one color."
Reach
When this creature enters, you may search your library for a basic land card, reveal it, then shuffle and put that card on top.
When this creature enters, you may search your library for a basic land card, reveal it, put it into your hand, then shuffle.
When this creature enters, you get (two energy counters).
, Pay : Add one mana of any color.
When this creature dies, you may search your library for an Elf card, reveal that card, put it into your hand, then shuffle.