At his side, humble beasts become weapons more deadly than sharpened steel.

Ranger of Eos

When this creature enters, you may search your library for up to two creature cards with mana value 1 or less, reveal them, put them into your hand, then shuffle.

The List

Historic Anthology 2

When Ranger of Eos enters the battlefield, you may search your library for up to two creature cards with converted mana cost 1 or less, reveal them, and put them into your hand. If you do, shuffle your library.

Modern Masters 2017

Shards of Alara

When Ranger of Eos comes into play, you may search your library for up to two creature cards with converted mana cost 1 or less, reveal them, and put them into your hand. If you do, shuffle your library.

You may choose to find zero, one, or two creature cards in your library. Each card you find must have mana value 1 or less.