
Art by Jeremy Paillotin
Saved commander deck
Rex, Cyber-Hound
Fill graveyards through mill and combat, then use Rex to exile key creatures with powerful activated abilities. Utility artifacts and cost-reducers let Rex combine untap, ping, protection, and card draw abilities into a game-ending win engine.
Prompt: I would like a deck Rex, cyber-hound so I can see how it would play
Commander
1 cards
Rex, Cyber-Hound
{1}{W}{U}Legendary Artifact Creature — Robot Dog
Chosen commander for the requested strategy.
Ramp
10 cards
Liquimetal Torque
{2}Artifact
Flexible mana rock that enables artifact synergies.
Card Draw
10 cards
Rhystic Study
{2}{U}Enchantment
Top-tier continuous card draw engine in Commander.

Esper Sentinel
{W}Artifact Creature — Human Soldier
Taxing card draw creature on a White pip.

Mulldrifter
{4}{U}Creature — Elemental
Divination body that fuels graveyards and draws cards.

Windfall
{2}{U}Sorcery
Fills graveyards with potential activated ability targets while refilling hands.

Fact or Fiction
{3}{U}Instant
Instant speed draw that dumps key targets directly into the graveyard.

Frantic Search
{2}{U}Instant
Free spell filter that puts target creatures into the graveyard for Rex.

Thirst for Knowledge
{2}{U}Instant
Instant draw that discards high-cost ability targets into the graveyard.

Sea Gate Oracle
{2}{U}Creature — Human Wizard
Smooths draws while leaving a useful body.
Removal
10 cards
Generous Gift
{2}{W}Instant
Versatile removal for any problematic permanent type.

Supreme Verdict
{1}{W}{W}{U}Sorcery
Uncounterable board wipe to reset wide battlefields.

Dovin's Veto
{W}{U}Instant
Uncounterable protection spell against noncreature threats.
Threats/Wincons
24 cards
Steel Hellkite
{6}Artifact Creature — Dragon
Evasive threat with a wipe activated ability Rex can steal.

Walking Ballista
{X}{X}Artifact Creature — Construct
Gives Rex the ability to ping targets or win with infinite mana.

Aetherling
{4}{U}{U}Creature — Shapeshifter
Provides self-exile protection, unblockable attacks, and stat pumps.

Arcanis the Omnipotent
{3}{U}{U}{U}Legendary Creature — Wizard
Gives Rex the activated ability to tap and draw three cards.

Deadeye Navigator
{4}{U}{U}Creature — Spirit
Blink engine target for protecting Rex and retriggering ETBs.

Morphling
{3}{U}{U}Creature — Shapeshifter
Classic toolkit creature with untap, shroud, flying, and stat shifting.

Ertai, Wizard Adept
{2}{U}Legendary Creature — Human Wizard
Activated counterspell ability that Rex can exile and use.

Endbringer
{5}{C}Creature — Eldrazi
Offers pinging, stopping attacks, and card draw activated abilities.

Soul of New Phyrexia
{6}Artifact Creature — Phyrexian Avatar
Activated ability gives all your permanents indestructible.

Mindslaver
{6}Legendary Artifact
High-impact activated artifact that turns Rex into a game stealer.

Master Transmuter
{3}{U}Artifact Creature — Human Artificer
Activated ability cheats giant artifacts into play while bouncing Rex to protect him.

Mirror Entity
{2}{W}Creature — Shapeshifter
Protects and scales power across your entire board with an activated X ability.

Mother of Runes
{W}Creature — Human Cleric
Cheap activated protection ability for Rex to copy.

Giver of Runes
{W}Creature — Kor Cleric
Protects key creatures and grants evasion against targeted colors.

Cathar Commando
{1}{W}Creature — Human Soldier
Disruptive activated ability to destroy artifacts and enchantments.

Selfless Savior
{W}Creature — Dog
Cheap sacrifice effect to give Rex indestructible.

Halo Fountain
{2}{W}Artifact
Untaps Rex, generates tokens, draws cards, and provides an alternate win condition.

Heliod, Sun-Crowned
{2}{W}Legendary Enchantment Creature — God
Grants lifelink and +1/+1 counters via activated and triggered synergies.

Adarkar Valkyrie
{4}{W}{W}Snow Creature — Angel
Tap ability saves creatures from dying and steals opponents' dying targets.

Triskelion
{6}Artifact Creature — Construct
Direct damage pinging target that pairs with +1/+1 counters.

Memnarch
{7}Legendary Artifact Creature — Wizard
Turns any permanent into an artifact and gains control of it.

Kuldotha Forgemaster
{5}Artifact Creature — Construct
Tutors win-condition artifacts straight to the battlefield.

Steel Overseer
{2}Artifact Creature — Construct
Taps to put +1/+1 counters on Rex and all other artifact creatures.

Stoneforge Mystic
{1}{W}Creature — Kor Artificer
Tutors and cheats protective equipment into play.
Utility
7 cards
Rings of Brighthearth
{3}Artifact
Duplicates Rex's exile ability or any stolen activated abilities.

Illusionist's Bracers
{2}Artifact — Equipment
Doubles all activated abilities Rex activates each turn.

Thousand-Year Elixir
{3}Artifact
Allows Rex to use tap abilities the turn he enters and untaps him.

Training Grounds
{U}Enchantment
Drastically reduces the generic mana costs of Rex's activated abilities.

Agatha's Soul Cauldron
{2}Legendary Artifact
Exiles cards from graveyards and spreads abilities via counters.

Lightning Greaves
{2}Artifact — Equipment
Grants Rex haste and protection from single-target removal.

Swiftfoot Boots
{2}Artifact — Equipment
Provides haste and hexproof while still allowing targeted buffs.


































