First printed in Modern Horizons 2 (2021)
All 3 prints
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Murders at Karlov Manor Commander (MKC) #140, 2024
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Jumpstart: Historic Horizons (J21) #383, 2021 (digital)
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Modern Horizons 2 (MH2) #99, 2021
Sinister Starfish 
Creature — Starfish
: Surveil 1. (Look at the top card of your library. You may put it into your graveyard.)
Combos
3 combos from Commander Spellbook, the most popular first.
- Infinite self-discard triggers, Infinite draw triggers…: Matoya, Archon Elder + Mind Over Matter + Sinister Starfish
- Infinite self-discard triggers, Near-infinite creature ETB…: Intruder Alarm + Matoya, Archon Elder + Nadir Kraken + Sinister Starfish
- Infinite self-discard triggers, Near-infinite creature ETB…: Intruder Alarm + Matoya, Archon Elder + Sinister Starfish + The Locust God
Legality
Constructed
- Standard Not legal
- Pioneer Not legal
- Modern Legal
- Legacy Legal
- Vintage Legal
- Pauper Legal
- Future Standard Not legal
- Historic Legal
- Timeless Legal
- Alchemy Not legal
- Penny Dreadful Not legal
- Premodern Not legal
- Old School 93/94 Not legal
Singleton
- Gladiator Legal
Commander formats
- Commander Legal
- Duel Commander Legal
- Pauper Commander Legal
- PreDH Not legal
- Tiny Leaders Legal
- Oathbreaker Legal
- Brawl Legal
- Standard Brawl Not legal
- Competitive Brawl Legal