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Rules guide · Artifact Creature

Proteus MachineHow it works & interactions with other cards

By the ManaCount desk· 4 min read· Scourge· May 26, 2003
Carte Magic Proteus Machine

Proteus Machine is one of those cards players keep asking about. Here is, in plain words, what its official text says, the rulings published by Wizards of the Coast, and the combos players actually run.

01

Official card text

Morph {0} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.) When this creature is turned face up, it becomes the creature type of your choice. (This effect lasts indefinitely.)

How it works : Proteus Machine

Original English text — Wizards of the Coast / Scryfall

No additional ruling has been published for this card.

02

Popular combos

Real combos played by the community, sorted by popularity.

Yedora, Grave Gardener
+Proteus Machine
#1

Yedora, Grave Gardener + Proteus Machine

Infinite death triggersInfinite green manaInfinite landfall triggersInfinite creature LTB
  1. 1Activate Proteus Machine's morph ability by paying {0}, turning it face-up.
  2. 2Proteus Machine triggers, causing it to become a Saproling.
  3. 3Activate the sacrifice outlet by sacrificing Proteus Machine.
  4. 4When Proteus Machine dies, Yedora triggers, returning Proteus Machine from your graveyard to the battlefield face-down as a Forest land.
  5. 5Resolve the sacrifice outlet's ability.
  6. 6Activate Proteus Machine by tapping it, adding {G}.
  7. 7Repeat.
Yedora, Grave Gardener
+Proteus Machine
+Ashnod's Altar
#2

Yedora, Grave Gardener + Proteus Machine + Ashnod's Altar

Infinite colorless manaInfinite death triggersInfinite creature ETBInfinite green mana
  1. 1Activate Ashnod's Altar by sacrificing Proteus Machine, adding {C}{C}.
  2. 2Proteus Machine dies, triggering Yedora, returning Proteus Machine to the battlefield face down as a Forest land with no other types or abilities.
  3. 3Activate Proteus Machine by tapping it, adding {G}.
  4. 4Activate Proteus Machine's morph ability by paying {0}, turning it face up.
  5. 5Repeat.
Yedora, Grave Gardener
+Proteus Machine
+Evolutionary Leap
#3

Yedora, Grave Gardener + Proteus Machine + Evolutionary Leap

Infinite death triggersInfinite landfall triggersInfinite creature LTBInfinite creature sacrifice triggers
  1. 1Activate Evolutionary Leap by paying {G} and sacrificing Proteus Machine.
  2. 2When Proteus Machine dies, Yedora triggers, returning Proteus Machine to the battlefield face down as a Forest land.
  3. 3Resolve the Evolutionary Leap ability, causing you to reveal cards from the top of your library until you reveal a creature card and putting the creature card into your hand.
  4. 4Activate Proteus Machine by tapping it, adding {G}.
  5. 5Activate Proteus Machine's morph ability by paying {0}, turning it face up.
  6. 6Repeat.
Yedora, Grave Gardener
+Proteus Machine
+Altar of Dementia
#4

Yedora, Grave Gardener + Proteus Machine + Altar of Dementia

Infinite death triggersInfinite creature ETBInfinite green manaInfinite landfall triggers
  1. 1Activate Altar of Dementia by sacrificing Proteus Machine.
  2. 2Proteus Machine dies, triggering Yedora, returning Proteus Machine to the battlefield face down as a Forest land with no other types or abilities.
  3. 3Resolve the Altar of Dementia ability, causing target player to mill cards equal to Proteus Machine's power.
  4. 4Activate Proteus Machine by tapping it, adding {G}.
  5. 5Activate Proteus Machine's morph ability by paying {0}, turning it face up.
  6. 6Repeat.
Yedora, Grave Gardener
+Proteus Machine
+Phyrexian Altar
#5

Yedora, Grave Gardener + Proteus Machine + Phyrexian Altar

Infinite colored manaInfinite death triggersInfinite creature ETBInfinite landfall triggers
  1. 1Activate Phyrexian Altar by sacrificing Proteus Machine, adding one mana of any color.
  2. 2Proteus Machine dies, triggering Yedora, returning Proteus Machine to the battlefield face down as a Forest land with no other types or abilities.
  3. 3Activate Proteus Machine's morph ability by paying {0}, turning it face up.
  4. 4Repeat.
Yedora, Grave Gardener
+Proteus Machine
+Perilous Forays
#6

Yedora, Grave Gardener + Proteus Machine + Perilous Forays

Infinite death triggersInfinite landfall triggersInfinite creature LTBInfinite creature sacrifice triggers
  1. 1Activate Perilous Forays by paying {1} and sacrificing Proteus Machine.
  2. 2When Proteus Machine dies, Yedora triggers, returning Proteus Machine to the battlefield face down as a Forest land.
  3. 3Resolve the Perilous Forays ability, causing you to search your library for a basic land card and put it onto the battlefield tapped.
  4. 4Activate Proteus Machine by tapping it, adding {G}.
  5. 5Activate Proteus Machine's morph ability by paying {0}, turning it face up.
  6. 6Repeat.
Yedora, Grave Gardener
+Proteus Machine
+Starved Rusalka
#7

Yedora, Grave Gardener + Proteus Machine + Starved Rusalka

Infinite death triggersInfinite landfall triggersInfinite lifegainInfinite lifegain triggers
  1. 1Activate Starved Rusalka by paying {G} and sacrificing Proteus Machine.
  2. 2When Proteus Machine dies, Yedora triggers, returning Proteus Machine to the battlefield face down as a Forest land.
  3. 3Resolve the Starved Rusalka ability, causing you to gain 1 life.
  4. 4Activate Proteus Machine by tapping it, adding {G}.
  5. 5Activate Proteus Machine's morph ability by paying {0}, turning it face up.
  6. 6Repeat.
Yedora, Grave Gardener
+Proteus Machine
+Claws of Gix
#8

Yedora, Grave Gardener + Proteus Machine + Claws of Gix

Infinite death triggersInfinite landfall triggersInfinite lifegainInfinite lifegain triggers
  1. 1Activate Claws of Gix by paying {1} and sacrificing Proteus Machine.
  2. 2When Proteus Machine dies, Yedora triggers, returning Proteus Machine to the battlefield face down as a Forest land.
  3. 3Resolve the Claws of Gix ability, causing you to gain 1 life.
  4. 4Activate Proteus Machine by tapping it, adding {G}.
  5. 5Activate Proteus Machine's morph ability by paying {0}, turning it face up.
  6. 6Repeat.

Related cards and tokens

03

Legal formats

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Meta decks with Proteus Machine

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