Skeleton Ship
Intruder Alarm
Hapatra, Vizier of Poisons

   Prerequisites

What do I need to start this combo?
All permanents on the battlefield (Skeleton Ship without summoning sickness on the battlefield).

   Steps

How does this combo work?
1
Activate Skeleton Ship by tapping it, putting a -1/-1 counter on target creature.
2
Hapatra triggers, creating a creature token.
3
When the creature token enters, Intruder Alarm triggers, untapping all creatures.
4
Repeat.

   Results

What do I get from this combo?
Infinite -1/-1 counters
Infinite death triggers
Infinite ETB
Infinite LTB
Infinite mana creatures you control can produce
Infinite untap of creatures
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High Synergy Cards
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Utility Lands
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Eumidian Hatchery
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Hostile Hostel
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Blast Zone
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11%synergy
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10%synergy
Zoetic Cavern
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10%synergy
Dryad Arbor
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Mana Artifacts
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Astral Cornucopia
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31%synergy
Fellwar Stone
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Herd Heirloom
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Vexing Puzzlebox
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11%synergy
Glistening Sphere
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11%synergy
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3%synergy
Dimir Signet
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3%synergy
Golgari Signet
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2%synergy
Simic Signet
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1%synergy
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Talisman of Dominance
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Talisman of Curiosity
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Lands
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10%synergy
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Vivid Marsh
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33%synergy
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29%synergy
Haunted Mire
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26%synergy
Yavimaya Coast
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5%synergy
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2%synergy
Watery Grave
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Overgrown Tomb
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Myriad Landscape
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9%synergy
Temple of Deceit
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7%synergy
Dimir Aqueduct
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6%synergy
Temple of Mystery
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Golgari Rot Farm
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2%synergy
Temple of Malady
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2%synergy
Drowned Catacomb
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Verdant Catacombs
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Hall of Oracles
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11%synergy
Cabaretti Courtyard
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11%synergy
Bad River
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10%synergy
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9%synergy
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7%synergy
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-6%synergy
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-7%synergy
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-17%synergy