- Rex, Cyber-Hound
- Omen Hawker
- Horseshoe Crab
- Infinite colorless mana that can only be spent to activate abilities
- Havengul Lich
- Selvala, Heart of the Wilds
- Horseshoe Crab
- Infinite colored mana
- Mimeoplasm, Revered One
- Horseshoe Crab
- Doc Samson, Super Psychiatrist
- Infinite colored mana
- Marvin, Murderous Mimic
- Horseshoe Crab
- Doc Samson, Super Psychiatrist
- Infinite colored mana
- Mimeoplasm, Revered One
- Horseshoe Crab
- Mona Lisa, Science Geek
- Infinite colored mana
- Marvin, Murderous Mimic
- Horseshoe Crab
- Mona Lisa, Science Geek
- Infinite colored mana
- Marvin, Murderous Mimic
- Horseshoe Crab
- Transdimensional Bovine
- Infinite colored mana
- Kinnan, Bonder Prodigy
- Karametra's Favor
- Horseshoe Crab
- Infinite colored mana
- Put most creature cards from your library onto the battlefield
- Marvin, Murderous Mimic
- Horseshoe Crab
- The Legend of Kyoshi // Avatar Kyoshi
- Infinite colored mana
- Kinnan, Bonder Prodigy
- Horseshoe Crab
- Utopia Vow
- Infinite colored mana
- Put most creature cards from your library onto the battlefield
- Kinnan, Bonder Prodigy
- Song of Freyalise
- Horseshoe Crab
- Infinite colored mana
- Put most creature cards from your library onto the battlefield
- Kinnan, Bonder Prodigy
- Horseshoe Crab
- Enduring Vitality
- Infinite colored mana
- Put most creature cards from your library onto the battlefield
- Kinnan, Bonder Prodigy
- Elven Chorus
- Horseshoe Crab
- Infinite colored mana
- Put most creature cards from your library onto the battlefield
- Kinnan, Bonder Prodigy
- Horseshoe Crab
- A Realm Reborn
- Infinite colored mana
- Put most creature cards from your library onto the battlefield
- Steelswarm Operator
- Agatha's Soul Cauldron
- Horseshoe Crab
- Infinite blue mana that can only be spent to cast artifact spells
- Infinite blue mana that can only be spent to activate abilities of artifacts
- Mimeoplasm, Revered One
- Horseshoe Crab
- Arbor Adherent
- Infinite colored mana
- Marvin, Murderous Mimic
- Horseshoe Crab
- Arbor Adherent
- Infinite colored mana
- Mimeoplasm, Revered One
- Wirewood Channeler
- Horseshoe Crab
- Infinite colored mana
- Mimeoplasm, Revered One
- Selvala, Heart of the Wilds
- Horseshoe Crab
- Infinite colored mana
- Mimeoplasm, Revered One
- Kami of Whispered Hopes
- Horseshoe Crab
- Infinite colored mana
- Mimeoplasm, Revered One
- Heronblade Elite
- Horseshoe Crab
- Infinite colored mana
- Mimeoplasm, Revered One
- Deathbloom Ritualist
- Horseshoe Crab
- Infinite colored mana
- Mimeoplasm, Revered One
- Horseshoe Crab
- Accomplished Alchemist
- Infinite colored mana
- Marvin, Murderous Mimic
- Incubation Druid
- Horseshoe Crab
- Infinite mana lands you control can produce
- Marvin, Murderous Mimic
- Horseshoe Crab
- Weaver of Blossoms // Blossom-Clad Werewolf
- Infinite colored mana
- Marvin, Murderous Mimic
- Horseshoe Crab
- Sage of the Maze
- Infinite colored mana
- Marvin, Murderous Mimic
- Ilysian Caryatid
- Horseshoe Crab
- Infinite colored mana
- Marvin, Murderous Mimic
- Gyre Engineer
- Horseshoe Crab
- Infinite green mana
- Marvin, Murderous Mimic
- Faeburrow Elder
- Horseshoe Crab
- Infinite non-blue mana of colors among permanents you control
- Infinite black mana if you control a black permanent
- Infinite green mana
- Infinite red mana if you control a red permanent
- Infinite white mana
- Marvin, Murderous Mimic
- Bloom Tender
- Horseshoe Crab
- Infinite non-blue mana of colors among permanents you control
- Infinite black mana if you control a black permanent
- Infinite green mana
- Infinite red mana if you control a red permanent
- Infinite white mana if you control a white permanent
- Marvin, Murderous Mimic
- Ley Weaver
- Horseshoe Crab
- Infinite mana lands you control can produce
- Infinite untap of lands you control
- Marvin, Murderous Mimic
- Argothian Elder
- Horseshoe Crab
- Infinite mana lands you control can produce
- Infinite untap of lands you control
- Marvin, Murderous Mimic
- Wirewood Channeler
- Horseshoe Crab
- Infinite colored mana
- Marvin, Murderous Mimic
- Selvala, Heart of the Wilds
- Horseshoe Crab
- Infinite colored mana
- Marvin, Murderous Mimic
- Horseshoe Crab
- Selvala, Eager Trailblazer
- Infinite colored mana
- Marvin, Murderous Mimic
- Sanctum Weaver
- Horseshoe Crab
- Infinite colored mana
- Marvin, Murderous Mimic
- Kami of Whispered Hopes
- Horseshoe Crab
- Infinite colored mana
- Marvin, Murderous Mimic
- Heronblade Elite
- Horseshoe Crab
- Infinite colored mana
- Marvin, Murderous Mimic
- Harabaz Druid
- Horseshoe Crab
- Infinite colored mana
- Marvin, Murderous Mimic
- Deathbloom Ritualist
- Horseshoe Crab
- Infinite colored mana
- Marvin, Murderous Mimic
- Axebane Guardian
- Horseshoe Crab
- Infinite colored mana
- Marvin, Murderous Mimic
- Horseshoe Crab
- Accomplished Alchemist
- Infinite colored mana
- Experiment Kraj
- Ley Weaver
- Horseshoe Crab
- Infinite mana lands you control can produce
- Infinite +1/+1 counters on creatures you control
- Infinite untap of lands you control
- Earthcraft
- Fertile Ground
- Horseshoe Crab
- Infinite colored mana
- Infinite untap of basic lands you control
- Kinnan, Bonder Prodigy
- Horseshoe Crab
- Paradise Mantle
- Infinite colored mana
- Put most creature cards from your library onto the battlefield
- Horseshoe Crab
- Illusionist's Bracers
- Karametra's Favor
- Infinite colored mana
- Mairsil, the Pretender
- Quicksilver Elemental
- Nyx Lotus
- Horseshoe Crab
- Infinite mana among colors with which you have devotion
- Mairsil, the Pretender
- Quicksilver Elemental
- Gilded Lotus
- Horseshoe Crab
- Infinite colored mana
- Likeness Looter
- Selvala, Heart of the Wilds
- Horseshoe Crab
- Infinite colored mana
- Horseshoe Crab
- Jiang Yanggu, Wildcrafter
- Mana Reflection
- Infinite colored mana
- Horseshoe Crab
- Jiang Yanggu, Wildcrafter
- Nyxbloom Ancient
- Infinite colored mana
- Horseshoe Crab
- Cryptolith Rite
- Mana Reflection
- Infinite colored mana
- Horseshoe Crab
- Cryptolith Rite
- Nyxbloom Ancient
- Infinite colored mana
- Ashaya, Soul of the Wild
- Market Festival
- Horseshoe Crab
- Infinite colored mana
- Jegantha, the Wellspring
- Necrotic Ooze
- Horseshoe Crab
- Infinite black mana that can't be spent to pay generic mana costs
- Infinite green mana that can't be spent to pay generic mana costs
- Infinite red mana that can't be spent to pay generic mana costs
- Infinite white mana that can't be spent to pay generic mana costs
- Kinnan, Bonder Prodigy
- Machine God's Effigy
- Horseshoe Crab
- Infinite blue mana
- Machine God's Effigy
- Horseshoe Crab
- Wake Thrasher
- Infinitely large creature until end of turn
- Machine God's Effigy
- Horseshoe Crab
- Mesmeric Orb
- Infinite self-mill
- Crackdown Construct
- Song of Freyalise
- Horseshoe Crab
- Infinitely large creature until end of turn
- Crackdown Construct
- Cryptolith Rite
- Horseshoe Crab
- Infinitely large creature until end of turn
- Unctus, Grand Metatect
- Paradise Mantle
- Horseshoe Crab
- Infinite draw triggers
- Infinite looting
- Infinite self-discard triggers
- Codie, Vociferous Codex
- Necrotic Ooze
- Horseshoe Crab
- Cast a subset of spells in your library
- Machine God's Effigy
- Mana Reflection
- Horseshoe Crab
- Infinite blue mana
- Machine God's Effigy
- Nyxbloom Ancient
- Horseshoe Crab
- Infinite blue mana
- Horseshoe Crab
- Illusionist's Bracers
- Cryptolith Rite
- Infinite colored mana
- Horseshoe Crab
- Illusionist's Bracers
- Paradise Mantle
- Infinite colored mana
- Shameless Charlatan
- Heronblade Elite
- Horseshoe Crab
- Infinite colored mana
- Shameless Charlatan
- Accomplished Alchemist
- Horseshoe Crab
- Infinite colored mana
- Zaxara, the Exemplary
- Patchwork Crawler
- Horseshoe Crab
- Infinite colored mana
- Zaxara, the Exemplary
- Necrotic Ooze
- Horseshoe Crab
- Infinite colored mana
- Mairsil, the Pretender
- Ventifact Bottle
- Magistrate's Scepter
- Horseshoe Crab
- Infinite turns
- Lock
- Horseshoe Crab
- Mesmeric Orb
- Paradise Mantle
- Infinite self-mill
- Horseshoe Crab
- Mesmeric Orb
- Utopia Vow
- Infinite self-mill
- Horseshoe Crab
- Mesmeric Orb
- Multani's Harmony
- Infinite self-mill
- Horseshoe Crab
- Mesmeric Orb
- Karametra's Favor
- Infinite self-mill
- Horseshoe Crab
- Mesmeric Orb
- Earthcraft
- Infinite self-mill
- Horseshoe Crab
- Mesmeric Orb
- Cryptolith Rite
- Infinite self-mill
- Horseshoe Crab
- Cryptolith Rite
- Leyline of Abundance
- Infinite green mana
- Infinite +1/+1 counters on creatures you control
- Kinnan, Bonder Prodigy
- Horseshoe Crab
- Cryptolith Rite
- Infinite colored mana
- Put most creature cards from your library onto the battlefield
- Experiment Kraj
- Krosan Restorer
- Horseshoe Crab
- Infinite mana lands you control can produce
- Infinite +1/+1 counters on creatures you control
- Experiment Kraj
- Argothian Elder
- Horseshoe Crab
- Infinite mana lands you control can produce
- Infinite +1/+1 counters on creatures you control
- Experiment Kraj
- Incubation Druid
- Horseshoe Crab
- Infinite mana lands you control can produce
- Infinite +1/+1 counters on creatures you control
- Quicksilver Elemental
- Argothian Elder
- Horseshoe Crab
- Infinite colored mana
- Infinite untap of creatures you control
- Infinite mana creatures you control can produce
- Quicksilver Elemental
- Incubation Druid
- Horseshoe Crab
- Infinite colored mana
- Ashaya, Soul of the Wild
- Horseshoe Crab
- Utopia Sprawl
- Infinite green mana
Sets containing Horseshoe Crab
Horseshoe Crab appears in 5 different sets:
