Arcane Foundry › Commanders › Rex, Cyber-Hound

Rex, Cyber-Hound

Rex, Cyber-Hound

Legendary Artifact Creature — Robot Dog · {1}{W}{U} · Blue/White commander

Whenever Rex deals combat damage to a player, they mill two cards and you get {E}{E} (two energy counters). Pay {E}{E}: Choose target creature card in a graveyard. Exile it with a brain counter on it. Activate only as a sorcery. Rex has all activated abilities of all cards in exile with brain counters on them.
Build a Rex, Cyber-Hound deck →

What Rex, Cyber-Hound actually does

Read off the card by the same engine the Forge and Analyzer use — this is the mechanical classification, not a summary.

What a Rex, Cyber-Hound deck wants

The plan the Forge derives for this commander: the roles it fills and how many of each.

Best cards for Rex, Cyber-Hound

Ranked by an engine that reads what each card does — its real cost, its delay and how reliably it works — rather than counting how often other people play it.

A creature with an activated ability worth copying or borrowing

  1. Mother of Runes1 mana
  2. Hangarback Walker0 mana
  3. Crashing Drawbridge2 mana
  4. Steel Overseer2 mana
  5. Gingerbrute1 mana
  6. Giver of Runes1 mana
  7. Mikaeus, the Lunarch1 mana
  8. Skrelv, Defector Mite1 mana

Make the commander connect — a body that never deals combat damage never triggers

  1. Delney, Streetwise Lookout3 mana
  2. Tetsuko Umezawa, Fugitive2 mana
  3. Galerider Sliver1 mana
  4. Elspeth, Sun's Champion6 mana
  5. Favorable Winds2 mana
  6. Skycat Sovereign2 mana
  7. Eldrazi Monument5 mana
  8. Colossus Hammer1 mana

A creature that HAS the keyword the commander's trigger counts — a card that merely says the word is not one

  1. Hedron Crab1 mana
  2. Ruin Crab1 mana
  3. Millikin2 mana
  4. Emry, Lurker of the Loch3 mana
  5. Excavated Wall1 mana
  6. Exhibition Tidecaller1 mana
  7. Merfolk Secretkeeper // Venture Deeper1 mana
  8. Merfolk Windrobber1 mana

Put your own cards into your graveyard as a resource

  1. Altar of Dementia2 mana
  2. Brain Freeze2 mana
  3. Mindcrank2 mana
  4. Codex Shredder1 mana
  5. Hedron Crab1 mana
  6. Thought Scour1 mana
  7. Emry, Lurker of the Loch3 mana
  8. Eden, Seat of the Sanctum0 mana

Actually remove one problem permanent — preventing its damage is not removing it

  1. Path to Exile1 mana
  2. Swords to Plowshares1 mana
  3. Reality Shift2 mana
  4. Pongify1 mana
  5. Rapid Hybridization1 mana
  6. Resculpt2 mana
  7. March of Otherworldly Light1 mana
  8. Suspend1 mana

Answer a whole board at once

  1. Final Showdown1 mana
  2. Vanquish the Horde8 mana
  3. Martyr's Cry2 mana
  4. Split Up3 mana
  5. Cathedral Membrane2 mana
  6. Citywide Bust3 mana
  7. Displacement Wave2 mana
  8. Harsh Mercy3 mana

Answer a spell or ability before it resolves

  1. Pact of Negation0 mana
  2. Counterspell2 mana
  3. Three Steps Ahead1 mana
  4. Long River's Pull2 mana
  5. Force of Will5 mana
  6. Abjure1 mana
  7. Archmage's Charm3 mana
  8. Cancel3 mana

Find the exact card the plan needs

  1. Reshape2 mana
  2. Mask of the Mimic1 mana
  3. Long-Term Plans3 mana
  4. Transmute Artifact2 mana
  5. Open the Armory2 mana
  6. Whir of Invention3 mana
  7. Merchant Scroll2 mana
  8. Enlightened Tutor1 mana

Refill your hand

  1. Esper Sentinel1 mana
  2. Mystic Remora1 mana
  3. Skullclamp1 mana
  4. Curiosity1 mana
  5. Wizard Class1 mana
  6. Rhystic Study3 mana
  7. Archivist of Oghma2 mana
  8. Faerie Mastermind2 mana

Build this deck in the Arcane Forge →

Arcane Foundry is free to join and every tool is included: the Arcane Forge deck builder, the ARCANE Analyzer that scores a deck by simulating games rather than counting staples, a card scanner, a collection vault, and live webcam Commander tables. Read the guide · Browse all commanders · Pricing