First printed in Onslaught (2002)
Riptide Shapeshifter 


Creature — Shapeshifter
, Sacrifice this creature: Choose a creature type. Reveal cards from the top of your library until you reveal a creature card of that type. Put that card onto the battlefield and shuffle the rest into your library.
In the last 30 days 1.7% of Commander decks played it (103 of 6150). Most played in Kinnan, Bonder Prodigy.
Combos
2 combos from Commander Spellbook, the most popular first.
- Lock, Infinite turns: Karador, Ghost Chieftain + Riptide Shapeshifter + Timestream Navigator
- Infinite turns, Lock: Muldrotha, the Gravetide + Riptide Shapeshifter + Timestream Navigator
Legality
Constructed
- Standard Not legal
- Pioneer Not legal
- Modern Not legal
- Legacy Legal
- Vintage Legal
- Pauper Not legal
- Future Standard Not legal
- Historic Not legal
- Timeless Not legal
- Alchemy Not legal
- Penny Dreadful Legal
- Premodern Legal
- Old School 93/94 Not legal
Singleton
- Gladiator Not legal
Commander formats
- Commander Legal
- Duel Commander Legal
- Pauper Commander Not legal
- PreDH Legal
- Tiny Leaders Not legal
- Oathbreaker Legal
- Brawl Not legal
- Standard Brawl Not legal
- Competitive Brawl Not legal