Urza, Prince of Kroog (Commander) - Optimized

Background image for What if Commander Had Sideboards?
Levi Perry
Sep 25, 2025
What if Commander Had Sideboards?
Commander is casual, but what if there were a way to heighten the competitiveness? Levi examines the effect sideboards would have on EDH.
Deck Filters
Cardsphere
Archidekt
Commander Spellbook
Moxfield
Scryfall
MTGStocks
Lady Octopus, Inspired Inventor
14%inclusion2 decks14 decks
12%synergy
Living Brain, Mechanical Marvel
7.1%inclusion1 decks14 decks
7%synergy
High Synergy Cards
Urza, Lord High Artificer
72%inclusion44 decks61 decks
66%synergy
Unwinding Clock
75%inclusion46 decks61 decks
64%synergy
Foundry Inspector
75%inclusion46 decks61 decks
61%synergy
Training Grounds
62%inclusion38 decks61 decks
60%synergy
Etherium Sculptor
70%inclusion43 decks61 decks
55%synergy
Darksteel Citadel
64%inclusion39 decks61 decks
53%synergy
Ancient Den
67%inclusion41 decks61 decks
53%synergy
Seat of the Synod
67%inclusion41 decks61 decks
52%synergy
Thought Monitor
56%inclusion34 decks61 decks
48%synergy
Simulacrum Synthesizer
51%inclusion31 decks61 decks
46%synergy
Top Cards
Swords to Plowshares
61%inclusion37 decks61 decks
-9%synergy
Esper Sentinel
59%inclusion36 decks61 decks
37%synergy
Solemn Simulacrum
52%inclusion32 decks61 decks
27%synergy
Padeem, Consul of Innovation
51%inclusion31 decks61 decks
41%synergy
Fabricate
49%inclusion30 decks61 decks
38%synergy
Lightning Greaves
46%inclusion28 decks61 decks
26%synergy
Counterspell
46%inclusion28 decks61 decks
-8%synergy
Emry, Lurker of the Loch
46%inclusion28 decks61 decks
34%synergy
Sai, Master Thopterist
46%inclusion28 decks61 decks
35%synergy
Path to Exile
43%inclusion26 decks61 decks
-10%synergy
Game Changers
Enlightened Tutor
59%inclusion36 decks61 decks
41%synergy
Rhystic Study
52%inclusion32 decks61 decks
28%synergy
Cyclonic Rift
51%inclusion31 decks61 decks
27%synergy
Smothering Tithe
46%inclusion28 decks61 decks
20%synergy
Teferi's Protection
43%inclusion26 decks61 decks
26%synergy
Fierce Guardianship
34%inclusion21 decks61 decks
18%synergy
The One Ring
28%inclusion17 decks61 decks
20%synergy
Ancient Tomb
25%inclusion15 decks61 decks
16%synergy
Mana Vault
23%inclusion14 decks61 decks
16%synergy
Grim Monolith
8.2%inclusion5 decks61 decks
5%synergy
Creatures
Kappa Cannoneer
41%inclusion25 decks61 decks
33%synergy
Phyrexian Metamorph
41%inclusion25 decks61 decks
32%synergy
Bronze Guardian
39%inclusion24 decks61 decks
34%synergy
Myr Battlesphere
36%inclusion22 decks61 decks
33%synergy
Master of Etherium
36%inclusion22 decks61 decks
30%synergy
Illustrious Wanderglyph
36%inclusion22 decks61 decks
32%synergy
Ornithopter of Paradise
33%inclusion20 decks61 decks
21%synergy
Karn, Legacy Reforged
33%inclusion20 decks61 decks
31%synergy
Losheel, Clockwork Scholar
33%inclusion20 decks61 decks
28%synergy
Liberator, Urza's Battlethopter
33%inclusion20 decks61 decks
30%synergy
Forensic Gadgeteer
31%inclusion19 decks61 decks
27%synergy
Urza, Lord Protector
30%inclusion18 decks61 decks
27%synergy
Steel Overseer
28%inclusion17 decks61 decks
24%synergy
Jhoira's Familiar
28%inclusion17 decks61 decks
24%synergy
Wurmcoil Engine
26%inclusion16 decks61 decks
25%synergy
Palladium Myr
26%inclusion16 decks61 decks
23%synergy
The Reality Chip
25%inclusion15 decks61 decks
18%synergy
Research Thief
23%inclusion14 decks61 decks
18%synergy
Mondrak, Glory Dominus
23%inclusion14 decks61 decks
19%synergy
Threefold Thunderhulk
23%inclusion14 decks61 decks
22%synergy
Meteor Golem
21%inclusion13 decks61 decks
17%synergy
Sharding Sphinx
21%inclusion13 decks61 decks
19%synergy
Silver Myr
20%inclusion12 decks61 decks
11%synergy
Riptide Gearhulk
19%inclusion10 decks54 decks
9%synergy
Master Transmuter
18%inclusion11 decks61 decks
15%synergy
Gold Myr
18%inclusion11 decks61 decks
9%synergy
Ethersworn Canonist
18%inclusion11 decks61 decks
15%synergy
Mendicant Core, Guidelight
17%inclusion9 decks54 decks
13%synergy
Trophy Mage
16%inclusion10 decks61 decks
15%synergy
Cyberdrive Awakener
16%inclusion10 decks61 decks
8%synergy
Angel of the Ruins
16%inclusion10 decks61 decks
13%synergy
Ornithopter
16%inclusion10 decks61 decks
14%synergy
Metalworker
16%inclusion10 decks61 decks
16%synergy
Ojer Taq, Deepest Foundation
16%inclusion10 decks61 decks
14%synergy
Cybermen Squadron
16%inclusion10 decks61 decks
15%synergy
Oltec Matterweaver
15%inclusion9 decks61 decks
13%synergy
Chief of the Foundry
15%inclusion9 decks61 decks
13%synergy
Vedalken Archmage
15%inclusion9 decks61 decks
12%synergy
Gold-Forged Thopteryx
13%inclusion8 decks61 decks
3%synergy
Shimmer Myr
13%inclusion8 decks61 decks
8%synergy
Arcum Dagsson
13%inclusion8 decks61 decks
12%synergy
Lodestone Golem
13%inclusion8 decks61 decks
13%synergy
Unctus, Grand Metatect
13%inclusion8 decks61 decks
11%synergy
Cyberman Patrol
11%inclusion7 decks61 decks
10%synergy
Walking Ballista
11%inclusion7 decks61 decks
8%synergy
Cityscape Leveler
11%inclusion7 decks61 decks
11%synergy
Digsite Engineer
11%inclusion7 decks61 decks
9%synergy
Oswald Fiddlebender
11%inclusion7 decks61 decks
9%synergy
Drafna, Founder of Lat-Nam
11%inclusion7 decks61 decks
10%synergy
Spellskite
11%inclusion7 decks61 decks
8%synergy
Instants
Mana Drain
41%inclusion25 decks61 decks
25%synergy
Whir of Invention
33%inclusion20 decks61 decks
27%synergy
Dispatch
31%inclusion19 decks61 decks
18%synergy
Dovin's Veto
30%inclusion18 decks61 decks
-7%synergy
An Offer You Can't Refuse
21%inclusion13 decks61 decks
-3%synergy
Dramatic Reversal
20%inclusion12 decks61 decks
12%synergy
Negate
20%inclusion12 decks61 decks
-9%synergy
Mystical Tutor
18%inclusion11 decks61 decks
4%synergy
Arcane Denial
16%inclusion10 decks61 decks
-9%synergy
Generous Gift
16%inclusion10 decks61 decks
-17%synergy
Swan Song
15%inclusion9 decks61 decks
-2%synergy
Thirst for Knowledge
11%inclusion7 decks61 decks
9%synergy
Urza's Command
10%inclusion6 decks61 decks
9%synergy
Force of Will
10%inclusion6 decks61 decks
1%synergy
Three Steps Ahead
8.2%inclusion5 decks61 decks
5%synergy
Silence
8.2%inclusion5 decks61 decks
1%synergy
Narset's Reversal
8.2%inclusion5 decks61 decks
4%synergy
Blacksmith's Skill
8.2%inclusion5 decks61 decks
6%synergy
Sink into Stupor
6.7%inclusion4 decks60 decks
-6%synergy
Stroke of Midnight
6.6%inclusion4 decks61 decks
-10%synergy
Pact of Negation
6.6%inclusion4 decks61 decks
2%synergy
Disenchant
6.6%inclusion4 decks61 decks
-2%synergy
Dawn's Truce
5.1%inclusion3 decks59 decks
-3%synergy
Desynchronization
5.1%inclusion3 decks59 decks
1%synergy
Flare of Fortitude
5.0%inclusion3 decks60 decks
2%synergy
Sorceries
Organic Extinction
34%inclusion21 decks61 decks
26%synergy
Thoughtcast
34%inclusion21 decks61 decks
25%synergy
Voyage Home
26%inclusion14 decks54 decks
17%synergy
March of Progress
20%inclusion12 decks61 decks
18%synergy
Farewell
16%inclusion10 decks61 decks
-2%synergy
Dance of the Manse
16%inclusion10 decks61 decks
9%synergy
Supreme Verdict
16%inclusion10 decks61 decks
-12%synergy
Brilliant Restoration
16%inclusion10 decks61 decks
12%synergy
Forging the Anchor
13%inclusion8 decks61 decks
13%synergy
Reshape
11%inclusion7 decks61 decks
9%synergy
One with the Machine
10%inclusion6 decks61 decks
8%synergy
Sea Gate Restoration
8.2%inclusion5 decks61 decks
2%synergy
Sevinne's Reclamation
8.2%inclusion5 decks61 decks
2%synergy
Repair and Recharge
8.2%inclusion5 decks61 decks
8%synergy
Wrath of God
6.6%inclusion4 decks61 decks
0%synergy
Armageddon
6.6%inclusion4 decks61 decks
5%synergy
Stock Up
5.6%inclusion3 decks54 decks
3%synergy
Season of Weaving
5.1%inclusion3 decks59 decks
3%synergy
Utility Artifacts
Mystic Forge
36%inclusion22 decks61 decks
30%synergy
Heartstone
34%inclusion21 decks61 decks
34%synergy
Darksteel Forge
33%inclusion20 decks61 decks
30%synergy
Sculpting Steel
33%inclusion20 decks61 decks
28%synergy
Rings of Brighthearth
31%inclusion19 decks61 decks
30%synergy
Forsaken Monument
31%inclusion19 decks61 decks
30%synergy
Thousand-Year Elixir
30%inclusion18 decks61 decks
27%synergy
Cloud Key
30%inclusion18 decks61 decks
25%synergy
Swiftfoot Boots
28%inclusion17 decks61 decks
2%synergy
Encroaching Mycosynth
28%inclusion17 decks61 decks
26%synergy
Portal to Phyrexia
25%inclusion15 decks61 decks
23%synergy
Sensei's Divining Top
23%inclusion14 decks61 decks
16%synergy
Mycosynth Lattice
21%inclusion13 decks61 decks
20%synergy
Uthros Research Craft
20%inclusion5 decks25 decks
16%synergy
Isochron Scepter
20%inclusion12 decks61 decks
13%synergy
Thousand Moons Smithy
20%inclusion12 decks61 decks
14%synergy
Worldwalker Helm
18%inclusion11 decks61 decks
16%synergy
Repurposing Bay
17%inclusion9 decks54 decks
13%synergy
Clock of Omens
16%inclusion10 decks61 decks
15%synergy
Ashnod's Altar
16%inclusion10 decks61 decks
14%synergy
Salvation Engine
15%inclusion8 decks54 decks
8%synergy
Moonsilver Key
15%inclusion9 decks61 decks
12%synergy
Illusionist's Bracers
13%inclusion8 decks61 decks
12%synergy
Krark-Clan Ironworks
13%inclusion8 decks61 decks
12%synergy
Staff of Domination
13%inclusion8 decks61 decks
12%synergy
Liquimetal Coating
11%inclusion7 decks61 decks
11%synergy
Lithoform Engine
11%inclusion7 decks61 decks
10%synergy
Manifold Key
10%inclusion6 decks61 decks
3%synergy
Skullclamp
10%inclusion6 decks61 decks
1%synergy
Semblance Anvil
10%inclusion6 decks61 decks
9%synergy
Shorikai, Genesis Engine
10%inclusion6 decks61 decks
5%synergy
Ichor Wellspring
10%inclusion6 decks61 decks
7%synergy
Mirror Box
10%inclusion6 decks61 decks
9%synergy
Voltaic Key
8.2%inclusion5 decks61 decks
4%synergy
Akroma's Memorial
8.2%inclusion5 decks61 decks
7%synergy
The Endstone
8.0%inclusion2 decks25 decks
7%synergy
Spine of Ish Sah
6.6%inclusion4 decks61 decks
5%synergy
Wayfarer's Bauble
6.6%inclusion4 decks61 decks
-5%synergy
Nettlecyst
6.6%inclusion4 decks61 decks
4%synergy
Soul-Guide Lantern
6.6%inclusion4 decks61 decks
4%synergy
Mishra's Bauble
6.6%inclusion4 decks61 decks
5%synergy
Winter Orb
6.6%inclusion4 decks61 decks
4%synergy
Radiant Lotus
5.6%inclusion3 decks54 decks
5%synergy
Enchantments
Mechanized Production
36%inclusion22 decks61 decks
31%synergy
Anointed Procession
33%inclusion20 decks61 decks
28%synergy
Thopter Spy Network
33%inclusion20 decks61 decks
22%synergy
Tempered Steel
25%inclusion15 decks61 decks
22%synergy
Efficient Construction
18%inclusion11 decks61 decks
15%synergy
Unstoppable Plan
17%inclusion9 decks54 decks
11%synergy
Mystic Remora
16%inclusion10 decks61 decks
0%synergy
Mirrodin Besieged
11%inclusion7 decks61 decks
8%synergy
Artificer Class
11%inclusion7 decks61 decks
9%synergy
Mirrormade
8.2%inclusion5 decks61 decks
5%synergy
Caretaker's Talent
6.8%inclusion4 decks59 decks
3%synergy
Intruder Alarm
6.6%inclusion4 decks61 decks
3%synergy
Copy Artifact
6.6%inclusion4 decks61 decks
5%synergy
Propaganda
6.6%inclusion4 decks61 decks
-18%synergy
Planeswalkers
Karn, the Great Creator
18%inclusion11 decks61 decks
16%synergy
Tezzeret, Artifice Master
18%inclusion11 decks61 decks
17%synergy
Tezzeret the Seeker
18%inclusion11 decks61 decks
13%synergy
Tezzeret, Cruel Captain
15%inclusion4 decks26 decks
13%synergy
Karn, Living Legacy
10%inclusion6 decks61 decks
9%synergy
Tezzeret, Betrayer of Flesh
10%inclusion6 decks61 decks
6%synergy
Ugin, Eye of the Storms
8.5%inclusion4 decks47 decks
8%synergy
Utility Lands
Academy Ruins
54%inclusion33 decks61 decks
42%synergy
Inventors' Fair
54%inclusion33 decks61 decks
45%synergy
Urza's Saga
51%inclusion31 decks61 decks
40%synergy
Archway of Innovation
42%inclusion25 decks59 decks
35%synergy
Reliquary Tower
41%inclusion25 decks61 decks
-8%synergy
Uthros, Titanic Godcore
40%inclusion10 decks25 decks
35%synergy
Buried Ruin
39%inclusion24 decks61 decks
32%synergy
Urza's Tower
36%inclusion22 decks61 decks
34%synergy
Urza's Power Plant
36%inclusion22 decks61 decks
34%synergy
Urza's Mine
36%inclusion22 decks61 decks
34%synergy
Urza's Workshop
31%inclusion19 decks61 decks
30%synergy
Otawara, Soaring City
26%inclusion16 decks61 decks
7%synergy
Monumental Henge
18%inclusion11 decks60 decks
15%synergy
Urza's Factory
18%inclusion11 decks61 decks
18%synergy
Fomori Vault
16%inclusion10 decks61 decks
14%synergy
Adagia, Windswept Bastion
16%inclusion4 decks25 decks
12%synergy
Eiganjo, Seat of the Empire
13%inclusion8 decks61 decks
2%synergy
Treasure Vault
11%inclusion7 decks61 decks
9%synergy
Secluded Starforge
9.1%inclusion2 decks22 decks
8%synergy
Mistrise Village
8.5%inclusion4 decks47 decks
4%synergy
Ishgard, the Holy See
8.3%inclusion3 decks36 decks
4%synergy
Rogue's Passage
8.2%inclusion5 decks61 decks
-6%synergy
War Room
6.6%inclusion4 decks61 decks
5%synergy
Mana Artifacts
Sol Ring
93%inclusion57 decks61 decks
6%synergy
Arcane Signet
74%inclusion45 decks61 decks
-10%synergy
Thran Dynamo
56%inclusion34 decks61 decks
48%synergy
Azorius Signet
48%inclusion29 decks61 decks
-12%synergy
Liquimetal Torque
44%inclusion27 decks61 decks
40%synergy
Basalt Monolith
43%inclusion26 decks61 decks
38%synergy
Talisman of Progress
43%inclusion26 decks61 decks
-7%synergy
Powerstone Shard
34%inclusion21 decks61 decks
34%synergy
The Mightstone and Weakstone
34%inclusion21 decks61 decks
29%synergy
Thought Vessel
33%inclusion20 decks61 decks
-10%synergy
Gilded Lotus
30%inclusion18 decks61 decks
24%synergy
Mox Opal
28%inclusion17 decks61 decks
22%synergy
Fellwar Stone
26%inclusion16 decks61 decks
-3%synergy
Mind Stone
26%inclusion16 decks61 decks
-1%synergy
Commander's Sphere
15%inclusion9 decks61 decks
-2%synergy
Lotus Petal
13%inclusion8 decks61 decks
7%synergy
Endurance Bobblehead
11%inclusion7 decks61 decks
11%synergy
Agility Bobblehead
11%inclusion7 decks61 decks
11%synergy
Luck Bobblehead
11%inclusion7 decks61 decks
11%synergy
Intelligence Bobblehead
11%inclusion7 decks61 decks
11%synergy
Mox Amber
10%inclusion6 decks61 decks
5%synergy
Strength Bobblehead
10%inclusion6 decks61 decks
9%synergy
Perception Bobblehead
10%inclusion6 decks61 decks
9%synergy
Dreamstone Hedron
10%inclusion6 decks61 decks
9%synergy
Charisma Bobblehead
10%inclusion6 decks61 decks
9%synergy
Darksteel Ingot
10%inclusion6 decks61 decks
9%synergy
Crystal Skull, Isu Spyglass
8.5%inclusion5 decks59 decks
5%synergy
White Auracite
8.3%inclusion3 decks36 decks
7%synergy
Everflowing Chalice
8.2%inclusion5 decks61 decks
4%synergy
Hedron Archive
8.2%inclusion5 decks61 decks
5%synergy
Midnight Clock
8.2%inclusion5 decks61 decks
0%synergy
Blinkmoth Urn
8.2%inclusion5 decks61 decks
8%synergy
Pristine Talisman
8.2%inclusion5 decks61 decks
5%synergy
Chromatic Orrery
8.2%inclusion5 decks61 decks
7%synergy
Chrome Mox
8.2%inclusion5 decks61 decks
3%synergy
Machine God's Effigy
6.6%inclusion4 decks61 decks
5%synergy
Worn Powerstone
6.6%inclusion4 decks61 decks
4%synergy
Fabrication Foundry
6.6%inclusion4 decks61 decks
5%synergy
Lands
Island
98%inclusion60 decks61 decks
3%synergy
Plains
97%inclusion59 decks61 decks
2%synergy
Command Tower
84%inclusion51 decks61 decks
-2%synergy
Razortide Bridge
62%inclusion38 decks61 decks
48%synergy
Hallowed Fountain
62%inclusion38 decks61 decks
16%synergy
Glacial Fortress
57%inclusion35 decks61 decks
-3%synergy
Flooded Strand
51%inclusion31 decks61 decks
20%synergy
Deserted Beach
49%inclusion30 decks61 decks
10%synergy
Prairie Stream
46%inclusion28 decks61 decks
-21%synergy
Sea of Clouds
46%inclusion28 decks61 decks
5%synergy
Adarkar Wastes
43%inclusion26 decks61 decks
2%synergy
Floodfarm Verge
37%inclusion22 decks59 decks
11%synergy
Spire of Industry
36%inclusion22 decks61 decks
27%synergy
Skycloud Expanse
34%inclusion21 decks61 decks
-1%synergy
Azorius Chancery
34%inclusion21 decks61 decks
-3%synergy
Meticulous Archive
31%inclusion19 decks61 decks
13%synergy
The Mycosynth Gardens
28%inclusion17 decks61 decks
25%synergy
Mystic Gate
26%inclusion16 decks61 decks
4%synergy
Port Town
25%inclusion15 decks61 decks
-23%synergy
Temple of Enlightenment
25%inclusion15 decks61 decks
-15%synergy
Hengegate Pathway
25%inclusion15 decks61 decks
4%synergy
Tundra
20%inclusion12 decks61 decks
7%synergy
Urza's Cave
20%inclusion12 decks61 decks
18%synergy
Irrigated Farmland
18%inclusion11 decks61 decks
-3%synergy
Seachrome Coast
18%inclusion11 decks61 decks
4%synergy
Exotic Orchard
15%inclusion9 decks61 decks
-13%synergy
Evolving Wilds
15%inclusion9 decks61 decks
-2%synergy
Nimbus Maze
11%inclusion7 decks61 decks
-11%synergy
Terramorphic Expanse
10%inclusion6 decks61 decks
-1%synergy
Power Depot
10%inclusion6 decks61 decks
8%synergy
Demolition Field
10%inclusion6 decks61 decks
7%synergy
Planar Nexus
10%inclusion6 decks61 decks
10%synergy
Hall of Tagsin
10%inclusion6 decks61 decks
9%synergy
Polluted Delta
8.2%inclusion5 decks61 decks
0%synergy
Fabled Passage
8.2%inclusion5 decks61 decks
0%synergy
Sea Gate Restoration
8.2%inclusion5 decks61 decks
2%synergy
Reflecting Pool
8.2%inclusion5 decks61 decks
5%synergy
City of Brass
8.2%inclusion5 decks61 decks
4%synergy
Azorius Guildgate
8.2%inclusion5 decks61 decks
1%synergy
Gemstone Caverns
8.2%inclusion5 decks61 decks
4%synergy
Sink into Stupor
6.7%inclusion4 decks60 decks
-6%synergy
Tranquil Cove
6.6%inclusion4 decks61 decks
-12%synergy
Prismatic Vista
6.6%inclusion4 decks61 decks
1%synergy
Glacial Floodplain
6.6%inclusion4 decks61 decks
-2%synergy
Mana Confluence
6.6%inclusion4 decks61 decks
3%synergy
Idyllic Beachfront
6.6%inclusion4 decks61 decks
-2%synergy
Myriad Landscape
6.6%inclusion4 decks61 decks
-11%synergy
Path of Ancestry
6.6%inclusion4 decks61 decks
-8%synergy