
When this creature enters, shuffle the cards from your hand into your library, then draw that many cards.
Whirlpool Rider has 1 printing, first in Apocalypse (2001). EDHREC ranks it #12,245 among Commander cards. It appears most in The Locust God decks (2,259 on EDHREC).
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.