Arcane Foundry › Commanders › Rex, Cyber-Hound
Rex, Cyber-Hound
Legendary Artifact Creature — Robot Dog · {1}{W}{U} · Blue/White commander
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.
- Triggered ability · deals_damageWhenever Rex deals combat damage to a player, they mill two cards and you get {E}{E} .
- Activated abilityPay {E}{E}: Choose target creature card in a graveyard. Exile it with a brain counter on it. Activate only as a sorcery.
- Static ability · ability_shareRex has all activated abilities of all cards in exile with brain counters on them.
What a Rex, Cyber-Hound deck needs
Plays as copy engine. What the commander asks of the other 99 — read from the card and checked by hand.
- high-value creatures and activated-ability creatures worth copying or borrowing
- self-mill, discard and recursion (the graveyard is a resource its text reads)
- evasion and protection for the commander (the trigger needs its combat damage to connect)
The Rex, Cyber-Hound deck plan
The roles the Forge fills for this commander, and how many cards of each.
- 17× A creature with an activated ability worth copying or borrowing
- 11× Make the commander connect — a body that never deals combat damage never triggers
- 11× Put your own cards into your graveyard as a resource
- 5× Actually remove one problem permanent — preventing its damage is not removing it
- 9× Find the exact card the plan needs
- 2× Answer a spell or ability before it resolves
- 1× Answer a whole board at once
- 7× Refill your hand
- 2× Keep a permanent you control alive through removal
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
- Ornithopter of Paradise2 mana
- Hangarback Walker0 mana
- Crashing Drawbridge2 mana
- Steel Overseer2 mana
- Giver of Runes1 mana
- Mikaeus, the Lunarch1 mana
- Skrelv, Defector Mite1 mana
- Weathered Wayfarer1 mana
Make the commander connect — a body that never deals combat damage never triggers
- Elspeth, Sun's Champion6 mana
- Archetype of Imagination6 mana
- Eldrazi Monument5 mana
- Delney, Streetwise Lookout3 mana
- Akroma's Memorial7 mana
- On Wings of Gold4 mana
- Infiltrator's Magemark3 mana
- Student of Elements // Tobita, Master of Winds2 mana
Put your own cards into your graveyard as a resource
- Emry, Lurker of the Loch3 mana
- Eden, Seat of the Sanctum0 mana
- Millikin2 mana
- Perpetual Timepiece2 mana
- Ghoulcaller's Bell1 mana
- Fraying Sanity3 mana
- Palantír of Orthanc3 mana
- Sequestered Stash0 mana
Actually remove one problem permanent — preventing its damage is not removing it
- Path to Exile1 mana
- Swords to Plowshares1 mana
- Reality Shift2 mana
- Pongify1 mana
- Rapid Hybridization1 mana
- Resculpt2 mana
- March of Otherworldly Light1 mana
- Generous Gift3 mana
Find the exact card the plan needs
- Reshape2 mana
- Mask of the Mimic1 mana
- Long-Term Plans3 mana
- Transmute Artifact2 mana
- Open the Armory2 mana
- Whir of Invention3 mana
- Merchant Scroll2 mana
- Enlightened Tutor1 mana
Answer a spell or ability before it resolves
- Mindbreak Trap4 mana
- Fierce Guardianship3 mana
- Force of Negation3 mana
- Force of Will5 mana
- Flare of Denial3 mana
- Pact of Negation0 mana
- An Offer You Can't Refuse1 mana
- Arcane Denial2 mana
Answer a whole board at once
- Vanquish the Horde8 mana
- Supreme Verdict4 mana
- Wrath of God4 mana
- Day of Judgment4 mana
- Shatter the Sky4 mana
- Split Up3 mana
- Winds of Abandon2 mana
- Depopulate4 mana
Refill your hand
- Esper Sentinel1 mana
- Mystic Remora1 mana
- Skullclamp1 mana
- Curiosity1 mana
- Wizard Class1 mana
- Rhystic Study3 mana
- Archivist of Oghma2 mana
- Faerie Mastermind2 mana
Keep a permanent you control alive through removal
- Flowering of the White Tree2 mana
- Bastion Protector3 mana
- Gold-Forged Thopteryx2 mana
- Codsworth, Handy Helper3 mana
- Cryptothrall4 mana
- Avacyn, Angel of Hope8 mana
- Lost in the Maze2 mana
- Lightning Greaves2 mana
Combos with Rex, Cyber-Hound
Known combos from Commander Spellbook that Rex, Cyber-Hound is a piece of, and how many decks list them.
- Rex, Cyber-Hound + Pili-Pala + Palladium Myr686 decks
- Rex, Cyber-Hound + Omen Hawker + Horseshoe Crab669 decks
- Rex, Cyber-Hound + Omen Hawker + Morphling344 decks
- Rex, Cyber-Hound + Omen Hawker + Soliton139 decks
- Rex, Cyber-Hound + Pili-Pala + Vhal, Candlekeep Researcher77 decks
- Rex, Cyber-Hound + Knacksaw Clique + Steelswarm Operator75 decks
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