Urza, Prince of Kroog (Commander) - Upgraded

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
Chrome Dome
10%inclusion3 decks30 decks
10%synergy
Krang, Utrom Warlord
6.7%inclusion2 decks30 decks
6%synergy
Donatello, Gadget Master
3.3%inclusion1 decks30 decks
3%synergy
Krang, Master Mind
2.9%inclusion2 decks68 decks
3%synergy
High Synergy Cards
Training Grounds
61%inclusion103 decks169 decks
59%synergy
Foundry Inspector
72%inclusion121 decks169 decks
58%synergy
Ancient Den
72%inclusion122 decks169 decks
58%synergy
Seat of the Synod
73%inclusion123 decks169 decks
57%synergy
Thought Monitor
63%inclusion107 decks169 decks
55%synergy
Etherium Sculptor
67%inclusion114 decks169 decks
53%synergy
Unwinding Clock
63%inclusion106 decks169 decks
52%synergy
Darksteel Citadel
63%inclusion106 decks169 decks
52%synergy
Losheel, Clockwork Scholar
52%inclusion88 decks169 decks
47%synergy
Padeem, Consul of Innovation
56%inclusion94 decks169 decks
46%synergy
Top Cards
Swords to Plowshares
56%inclusion95 decks169 decks
-13%synergy
Sai, Master Thopterist
56%inclusion94 decks169 decks
45%synergy
Solemn Simulacrum
53%inclusion89 decks169 decks
28%synergy
Counterspell
53%inclusion89 decks169 decks
-1%synergy
Urza, Lord High Artificer
49%inclusion82 decks169 decks
42%synergy
Bronze Guardian
48%inclusion81 decks169 decks
42%synergy
Sculpting Steel
46%inclusion78 decks169 decks
41%synergy
Myr Battlesphere
46%inclusion77 decks169 decks
43%synergy
Thopter Spy Network
46%inclusion77 decks169 decks
35%synergy
Fabricate
45%inclusion76 decks169 decks
34%synergy
Game Changers
Enlightened Tutor
27%inclusion46 decks169 decks
10%synergy
Teferi's Protection
18%inclusion30 decks169 decks
2%synergy
Smothering Tithe
18%inclusion30 decks169 decks
-7%synergy
Cyclonic Rift
16%inclusion27 decks169 decks
-6%synergy
Rhystic Study
10%inclusion17 decks169 decks
-13%synergy
Farewell
9.5%inclusion16 decks169 decks
-8%synergy
Fierce Guardianship
9.5%inclusion16 decks169 decks
-6%synergy
Mana Vault
5.9%inclusion10 decks169 decks
-1%synergy
Creatures
Phyrexian Metamorph
45%inclusion76 decks169 decks
36%synergy
Ornithopter of Paradise
44%inclusion74 decks169 decks
32%synergy
Illustrious Wanderglyph
43%inclusion72 decks169 decks
38%synergy
Emry, Lurker of the Loch
43%inclusion72 decks169 decks
31%synergy
Kappa Cannoneer
40%inclusion68 decks169 decks
32%synergy
Master of Etherium
40%inclusion67 decks169 decks
34%synergy
Esper Sentinel
39%inclusion66 decks169 decks
17%synergy
Steel Overseer
37%inclusion62 decks169 decks
33%synergy
Urza, Lord Protector
32%inclusion54 decks169 decks
29%synergy
Meteor Golem
31%inclusion52 decks169 decks
27%synergy
Chief of the Foundry
30%inclusion50 decks169 decks
28%synergy
Wurmcoil Engine
30%inclusion50 decks169 decks
28%synergy
Shimmer Myr
30%inclusion50 decks169 decks
25%synergy
Liberator, Urza's Battlethopter
29%inclusion49 decks169 decks
26%synergy
Forensic Gadgeteer
28%inclusion47 decks169 decks
24%synergy
Research Thief
27%inclusion45 decks169 decks
22%synergy
Cyberdrive Awakener
25%inclusion43 decks169 decks
17%synergy
Threefold Thunderhulk
24%inclusion41 decks169 decks
23%synergy
Jhoira's Familiar
24%inclusion41 decks169 decks
21%synergy
Silver Myr
24%inclusion40 decks169 decks
15%synergy
Riptide Gearhulk
23%inclusion38 decks162 decks
15%synergy
Vedalken Archmage
23%inclusion39 decks169 decks
20%synergy
Mendicant Core, Guidelight
23%inclusion37 decks162 decks
19%synergy
Trophy Mage
22%inclusion38 decks169 decks
21%synergy
Palladium Myr
22%inclusion38 decks169 decks
19%synergy
Drafna, Founder of Lat-Nam
22%inclusion38 decks169 decks
21%synergy
Gold-Forged Thopteryx
22%inclusion37 decks169 decks
12%synergy
Sharding Sphinx
21%inclusion36 decks169 decks
19%synergy
Gold Myr
21%inclusion35 decks169 decks
13%synergy
Karn, Legacy Reforged
21%inclusion35 decks169 decks
19%synergy
Oltec Matterweaver
20%inclusion34 decks169 decks
18%synergy
Angel of the Ruins
20%inclusion33 decks169 decks
16%synergy
Mondrak, Glory Dominus
19%inclusion32 decks169 decks
15%synergy
Voyager Quickwelder
17%inclusion28 decks162 decks
9%synergy
Scrap Trawler
17%inclusion29 decks169 decks
15%synergy
Digsite Engineer
17%inclusion28 decks169 decks
14%synergy
Unctus, Grand Metatect
16%inclusion27 decks169 decks
14%synergy
Master Transmuter
15%inclusion26 decks169 decks
13%synergy
The Reality Chip
15%inclusion26 decks169 decks
9%synergy
Platoon Dispenser
15%inclusion25 decks169 decks
14%synergy
Myr Retriever
14%inclusion24 decks169 decks
12%synergy
Stridehangar Automaton
12%inclusion20 decks162 decks
10%synergy
Cyberman Patrol
11%inclusion19 decks169 decks
10%synergy
Oswald Fiddlebender
11%inclusion19 decks169 decks
10%synergy
Ojer Taq, Deepest Foundation
11%inclusion19 decks169 decks
9%synergy
Ornithopter
11%inclusion18 decks169 decks
8%synergy
Trinket Mage
11%inclusion18 decks169 decks
7%synergy
Shimmer Dragon
10%inclusion17 decks169 decks
9%synergy
Cybermen Squadron
10%inclusion17 decks169 decks
9%synergy
Hulking Metamorph
10%inclusion17 decks169 decks
9%synergy
Instants
Dispatch
43%inclusion72 decks169 decks
30%synergy
Path to Exile
40%inclusion67 decks169 decks
-14%synergy
Dovin's Veto
31%inclusion53 decks169 decks
-7%synergy
Generous Gift
29%inclusion49 decks169 decks
-2%synergy
Whir of Invention
28%inclusion48 decks169 decks
23%synergy
Negate
25%inclusion42 decks169 decks
-3%synergy
Desynchronization
20%inclusion34 decks167 decks
16%synergy
Arcane Denial
20%inclusion33 decks169 decks
-6%synergy
An Offer You Can't Refuse
20%inclusion33 decks169 decks
-6%synergy
Scour for Scrap
19%inclusion18 decks95 decks
16%synergy
Mana Drain
17%inclusion29 decks169 decks
1%synergy
Thirst for Knowledge
15%inclusion25 decks169 decks
13%synergy
Stroke of Midnight
14%inclusion24 decks169 decks
-1%synergy
Urza's Command
10%inclusion17 decks169 decks
9%synergy
Three Steps Ahead
10%inclusion17 decks169 decks
6%synergy
Stern Lesson
9.5%inclusion16 decks169 decks
9%synergy
Sink into Stupor
8.9%inclusion15 decks168 decks
-4%synergy
Disenchant
8.9%inclusion15 decks169 decks
1%synergy
Access Denied
8.3%inclusion14 decks169 decks
6%synergy
Swan Song
8.3%inclusion14 decks169 decks
-9%synergy
Dawn's Truce
7.8%inclusion13 decks167 decks
0%synergy
Masterful Replication
7.7%inclusion13 decks169 decks
7%synergy
Brainstorm
7.1%inclusion12 decks169 decks
-11%synergy
Aetherize
6.5%inclusion11 decks169 decks
-4%synergy
Pongify
5.9%inclusion10 decks169 decks
-2%synergy
Flawless Maneuver
5.9%inclusion10 decks169 decks
0%synergy
Dramatic Reversal
5.9%inclusion10 decks169 decks
-2%synergy
Mirrorform
5.4%inclusion2 decks37 decks
3%synergy
Rootborn Defenses
5.3%inclusion9 decks169 decks
4%synergy
Loran's Escape
5.3%inclusion9 decks169 decks
3%synergy
Blacksmith's Skill
5.3%inclusion9 decks169 decks
4%synergy
Sorceries
Organic Extinction
43%inclusion72 decks169 decks
34%synergy
Thoughtcast
40%inclusion68 decks169 decks
31%synergy
Voyage Home
25%inclusion41 decks162 decks
18%synergy
March of Progress
23%inclusion39 decks169 decks
21%synergy
Dance of the Manse
17%inclusion29 decks169 decks
11%synergy
Supreme Verdict
14%inclusion24 decks169 decks
-14%synergy
One with the Machine
13%inclusion22 decks169 decks
11%synergy
Brilliant Restoration
12%inclusion21 decks169 decks
8%synergy
Reshape
12%inclusion20 decks169 decks
10%synergy
Season of Weaving
11%inclusion18 decks167 decks
9%synergy
Sevinne's Reclamation
8.3%inclusion14 decks169 decks
2%synergy
Austere Command
7.1%inclusion12 decks169 decks
-7%synergy
Forging the Anchor
7.1%inclusion12 decks169 decks
7%synergy
Time Wipe
6.5%inclusion11 decks169 decks
-7%synergy
Rite of Replication
5.9%inclusion10 decks169 decks
4%synergy
Universal Surveillance
5.9%inclusion10 decks169 decks
4%synergy
Repair and Recharge
5.3%inclusion9 decks169 decks
5%synergy
Utility Artifacts
Heartstone
40%inclusion67 decks169 decks
39%synergy
Simulacrum Synthesizer
34%inclusion58 decks169 decks
30%synergy
Mystic Forge
31%inclusion53 decks169 decks
26%synergy
Thousand Moons Smithy
30%inclusion51 decks169 decks
25%synergy
Cloud Key
30%inclusion50 decks169 decks
25%synergy
Swiftfoot Boots
28%inclusion47 decks169 decks
2%synergy
Lightning Greaves
27%inclusion45 decks169 decks
7%synergy
Darksteel Forge
24%inclusion41 decks169 decks
22%synergy
Forsaken Monument
22%inclusion37 decks169 decks
21%synergy
Salvation Engine
22%inclusion35 decks162 decks
15%synergy
Uthros Research Craft
21%inclusion20 decks96 decks
17%synergy
Worldwalker Helm
21%inclusion35 decks169 decks
19%synergy
Portal to Phyrexia
19%inclusion32 decks169 decks
17%synergy
Encroaching Mycosynth
15%inclusion26 decks169 decks
14%synergy
Spine of Ish Sah
15%inclusion25 decks169 decks
14%synergy
Ichor Wellspring
15%inclusion25 decks169 decks
12%synergy
Illusionist's Bracers
15%inclusion25 decks169 decks
14%synergy
Moonsilver Key
15%inclusion25 decks169 decks
13%synergy
Rings of Brighthearth
14%inclusion24 decks169 decks
13%synergy
Sensei's Divining Top
14%inclusion24 decks169 decks
8%synergy
Wayfarer's Bauble
14%inclusion23 decks169 decks
3%synergy
Krark-Clan Ironworks
11%inclusion19 decks169 decks
10%synergy
The Enigma Jewel
11%inclusion19 decks169 decks
10%synergy
Ashnod's Altar
11%inclusion18 decks169 decks
8%synergy
Thopter Shop
11%inclusion18 decks169 decks
10%synergy
Manifold Key
11%inclusion18 decks169 decks
4%synergy
Mirrorworks
11%inclusion18 decks169 decks
10%synergy
Repurposing Bay
10%inclusion16 decks162 decks
6%synergy
Thousand-Year Elixir
9.5%inclusion16 decks169 decks
7%synergy
Mirage Mirror
8.9%inclusion15 decks169 decks
6%synergy
Cryogen Relic
8.3%inclusion8 decks96 decks
3%synergy
Soul-Guide Lantern
8.3%inclusion14 decks169 decks
6%synergy
Clock of Omens
8.3%inclusion14 decks169 decks
7%synergy
Idol of Oblivion
8.3%inclusion14 decks169 decks
6%synergy
Shorikai, Genesis Engine
7.7%inclusion13 decks169 decks
3%synergy
Tamiyo's Logbook
7.1%inclusion12 decks169 decks
6%synergy
Unstable Glyphbridge
7.1%inclusion12 decks169 decks
6%synergy
Lithoform Engine
7.1%inclusion12 decks169 decks
5%synergy
Assimilation Aegis
7.1%inclusion12 decks169 decks
6%synergy
Semblance Anvil
6.5%inclusion11 decks169 decks
5%synergy
Archaeomancer's Map
5.9%inclusion10 decks169 decks
-1%synergy
Nettlecyst
5.9%inclusion10 decks169 decks
3%synergy
Liquimetal Coating
5.9%inclusion10 decks169 decks
6%synergy
Mishra's Bauble
5.9%inclusion10 decks169 decks
5%synergy
Imposter Mech
5.3%inclusion9 decks169 decks
-2%synergy
Akroma's Memorial
5.3%inclusion9 decks169 decks
4%synergy
Isochron Scepter
5.3%inclusion9 decks169 decks
-1%synergy
Bident of Thassa
5.3%inclusion9 decks169 decks
-5%synergy
Enchantments
Mechanized Production
41%inclusion70 decks169 decks
36%synergy
Tempered Steel
31%inclusion52 decks169 decks
28%synergy
Efficient Construction
22%inclusion37 decks169 decks
18%synergy
Artificer Class
20%inclusion34 decks169 decks
17%synergy
Anointed Procession
20%inclusion33 decks169 decks
15%synergy
Mirrormade
14%inclusion24 decks169 decks
11%synergy
Mirrodin Besieged
13%inclusion22 decks169 decks
10%synergy
Unstoppable Plan
10%inclusion17 decks162 decks
5%synergy
Mystic Remora
10%inclusion17 decks169 decks
-6%synergy
Caretaker's Talent
6.6%inclusion11 decks167 decks
3%synergy
Extravagant Replication
6.5%inclusion11 decks169 decks
5%synergy
Propaganda
6.5%inclusion11 decks169 decks
-20%synergy
Moonlit Meditation
6.3%inclusion6 decks96 decks
4%synergy
The Antiquities War
5.3%inclusion9 decks169 decks
5%synergy
Planeswalkers
Tezzeret the Seeker
16%inclusion27 decks169 decks
12%synergy
Tezzeret, Artifice Master
12%inclusion21 decks169 decks
11%synergy
Karn, Living Legacy
10%inclusion17 decks169 decks
9%synergy
Karn, Scion of Urza
9.5%inclusion16 decks169 decks
9%synergy
Tezzeret, Betrayer of Flesh
7.1%inclusion12 decks169 decks
4%synergy
Tezzeret, Cruel Captain
7.1%inclusion7 decks99 decks
4%synergy
Ugin, Eye of the Storms
6.5%inclusion9 decks138 decks
6%synergy
Ugin, the Ineffable
5.3%inclusion9 decks169 decks
5%synergy
Utility Lands
Buried Ruin
41%inclusion70 decks169 decks
34%synergy
Inventors' Fair
40%inclusion67 decks169 decks
31%synergy
Academy Ruins
38%inclusion65 decks169 decks
27%synergy
Reliquary Tower
34%inclusion58 decks169 decks
-14%synergy
Archway of Innovation
34%inclusion57 decks168 decks
27%synergy
Urza's Mine
33%inclusion56 decks169 decks
31%synergy
Urza's Power Plant
33%inclusion55 decks169 decks
31%synergy
Urza's Tower
33%inclusion55 decks169 decks
31%synergy
Uthros, Titanic Godcore
31%inclusion30 decks96 decks
26%synergy
Urza's Saga
31%inclusion52 decks169 decks
20%synergy
Urza's Workshop
20%inclusion33 decks169 decks
19%synergy
Monumental Henge
16%inclusion27 decks168 decks
13%synergy
Otawara, Soaring City
15%inclusion26 decks169 decks
-4%synergy
Adagia, Windswept Bastion
13%inclusion12 decks96 decks
9%synergy
Urza's Factory
12%inclusion20 decks169 decks
11%synergy
Treasure Vault
11%inclusion19 decks169 decks
8%synergy
Fomori Vault
10%inclusion17 decks169 decks
8%synergy
Mystic Sanctuary
8.9%inclusion15 decks169 decks
-9%synergy
Temple of the False God
8.9%inclusion15 decks169 decks
1%synergy
Ishgard, the Holy See
8.5%inclusion10 decks117 decks
5%synergy
Tomb of the Spirit Dragon
8.3%inclusion14 decks169 decks
8%synergy
Eiganjo, Seat of the Empire
8.3%inclusion14 decks169 decks
-2%synergy
Mishra's Factory
7.1%inclusion12 decks169 decks
6%synergy
Mishra's Foundry
6.5%inclusion11 decks169 decks
6%synergy
Blast Zone
5.3%inclusion9 decks169 decks
5%synergy
Scavenger Grounds
5.3%inclusion9 decks169 decks
1%synergy
Mana Artifacts
Sol Ring
90%inclusion152 decks169 decks
3%synergy
Arcane Signet
82%inclusion138 decks169 decks
-2%synergy
Azorius Signet
51%inclusion86 decks169 decks
-7%synergy
Talisman of Progress
50%inclusion85 decks169 decks
0%synergy
Thran Dynamo
48%inclusion81 decks169 decks
40%synergy
Liquimetal Torque
46%inclusion78 decks169 decks
42%synergy
Mind Stone
41%inclusion70 decks169 decks
15%synergy
Thought Vessel
35%inclusion59 decks169 decks
-7%synergy
The Mightstone and Weakstone
34%inclusion58 decks169 decks
30%synergy
Powerstone Shard
34%inclusion57 decks169 decks
33%synergy
Gilded Lotus
26%inclusion44 decks169 decks
21%synergy
Fellwar Stone
19%inclusion32 decks169 decks
-10%synergy
Hedron Archive
17%inclusion29 decks169 decks
14%synergy
Commander's Sphere
15%inclusion26 decks169 decks
0%synergy
Luck Bobblehead
14%inclusion24 decks169 decks
14%synergy
Intelligence Bobblehead
14%inclusion23 decks169 decks
13%synergy
Worn Powerstone
14%inclusion23 decks169 decks
11%synergy
Crystal Skull, Isu Spyglass
13%inclusion21 decks167 decks
9%synergy
Agility Bobblehead
12%inclusion21 decks169 decks
12%synergy
Machine God's Effigy
12%inclusion21 decks169 decks
11%synergy
Perception Bobblehead
12%inclusion21 decks169 decks
12%synergy
Endurance Bobblehead
12%inclusion21 decks169 decks
12%synergy
Charisma Bobblehead
11%inclusion19 decks169 decks
11%synergy
Strength Bobblehead
11%inclusion19 decks169 decks
11%synergy
Basalt Monolith
11%inclusion19 decks169 decks
7%synergy
Midnight Clock
10%inclusion17 decks169 decks
2%synergy
Skyclave Relic
9.5%inclusion16 decks169 decks
8%synergy
Coveted Jewel
8.9%inclusion15 decks169 decks
6%synergy
Dreamstone Hedron
8.9%inclusion15 decks169 decks
8%synergy
Everflowing Chalice
8.9%inclusion15 decks169 decks
5%synergy
Mox Opal
8.9%inclusion15 decks169 decks
3%synergy
Blinkmoth Urn
8.3%inclusion14 decks169 decks
8%synergy
Fabrication Foundry
6.5%inclusion11 decks169 decks
5%synergy
The Eternity Elevator
6.3%inclusion6 decks96 decks
5%synergy
Darksteel Ingot
5.9%inclusion10 decks169 decks
5%synergy
Sky Diamond
5.3%inclusion9 decks169 decks
-4%synergy
Lands
Island
98%inclusion166 decks169 decks
3%synergy
Plains
98%inclusion165 decks169 decks
2%synergy
Command Tower
89%inclusion150 decks169 decks
3%synergy
Razortide Bridge
69%inclusion116 decks169 decks
54%synergy
Prairie Stream
58%inclusion98 decks169 decks
-8%synergy
Glacial Fortress
56%inclusion94 decks169 decks
-7%synergy
Hallowed Fountain
51%inclusion87 decks169 decks
4%synergy
Sea of Clouds
43%inclusion73 decks169 decks
3%synergy
Adarkar Wastes
40%inclusion67 decks169 decks
-4%synergy
Deserted Beach
38%inclusion64 decks169 decks
-1%synergy
Skycloud Expanse
33%inclusion56 decks169 decks
-2%synergy
Flooded Strand
31%inclusion52 decks169 decks
-1%synergy
Temple of Enlightenment
31%inclusion52 decks169 decks
-7%synergy
Spire of Industry
30%inclusion50 decks169 decks
21%synergy
Port Town
27%inclusion46 decks169 decks
-20%synergy
The Mycosynth Gardens
25%inclusion43 decks169 decks
22%synergy
Azorius Chancery
25%inclusion42 decks169 decks
-12%synergy
Floodfarm Verge
23%inclusion38 decks166 decks
-4%synergy
Hengegate Pathway
22%inclusion37 decks169 decks
1%synergy
Irrigated Farmland
21%inclusion36 decks169 decks
0%synergy
Mystic Gate
20%inclusion33 decks169 decks
-4%synergy
Nimbus Maze
18%inclusion30 decks169 decks
-4%synergy
Exotic Orchard
17%inclusion29 decks169 decks
-10%synergy
Urza's Cave
17%inclusion29 decks169 decks
15%synergy
Meticulous Archive
17%inclusion29 decks169 decks
-1%synergy
Evolving Wilds
17%inclusion28 decks169 decks
1%synergy
Power Depot
13%inclusion22 decks169 decks
11%synergy
Seachrome Coast
12%inclusion21 decks169 decks
-3%synergy
Myriad Landscape
11%inclusion19 decks169 decks
-5%synergy
Tranquil Cove
11%inclusion19 decks169 decks
-8%synergy
Hall of Tagsin
11%inclusion19 decks169 decks
11%synergy
Terramorphic Expanse
11%inclusion18 decks169 decks
0%synergy
Idyllic Beachfront
9.5%inclusion16 decks169 decks
1%synergy
Sink into Stupor
8.9%inclusion15 decks168 decks
-4%synergy
Fabled Passage
8.9%inclusion15 decks169 decks
1%synergy
Path of Ancestry
8.3%inclusion14 decks169 decks
-6%synergy
Tundra
7.1%inclusion12 decks169 decks
-6%synergy
Glacial Floodplain
6.5%inclusion11 decks169 decks
-1%synergy
Azorius Guildgate
5.9%inclusion10 decks169 decks
-1%synergy
Prismatic Vista
5.9%inclusion10 decks169 decks
1%synergy
Demolition Field
5.9%inclusion10 decks169 decks
3%synergy
Ash Barrens
5.3%inclusion9 decks169 decks
2%synergy
Fortified Beachhead
5.3%inclusion9 decks169 decks
4%synergy
Skybridge Towers
5.3%inclusion9 decks169 decks
2%synergy