Urza, Powerstone Prodigy (Commander) - Expensive Artifacts

Urza, Powerstone Prodigy
Rank #1,867
13decks
Brian Cain
Jan 9, 2024
Brew For Your Buck - Discarding Artifacts
Brian builds a budget Dimir artifacts deck!
Deck Filters
Cardsphere
Archidekt
Commander Spellbook
Moxfield
Scryfall
MTGStocks
Thought Monitor
100%inclusion13 decks13 decks
89%synergy
Seat of the Synod
92%inclusion12 decks13 decks
73%synergy
Darksteel Citadel
85%inclusion11 decks13 decks
73%synergy
Emry, Lurker of the Loch
85%inclusion11 decks13 decks
73%synergy
Currency Converter
62%inclusion8 decks13 decks
61%synergy
Containment Construct
62%inclusion8 decks13 decks
61%synergy
Collector's Vault
62%inclusion8 decks13 decks
61%synergy
Rise and Shine
62%inclusion8 decks13 decks
59%synergy
Archway of Innovation
69%inclusion9 decks13 decks
58%synergy
Treasure Vault
62%inclusion8 decks13 decks
58%synergy
Top Cards
Unwinding Clock
69%inclusion9 decks13 decks
58%synergy
Counterspell
69%inclusion9 decks13 decks
3%synergy
Fabricate
62%inclusion8 decks13 decks
41%synergy
Forsaken Monument
62%inclusion8 decks13 decks
58%synergy
Thirst for Knowledge
62%inclusion8 decks13 decks
57%synergy
Cyberdrive Awakener
54%inclusion7 decks13 decks
49%synergy
Whir of Invention
54%inclusion7 decks13 decks
42%synergy
Portal to Phyrexia
54%inclusion7 decks13 decks
49%synergy
Phyrexian Metamorph
54%inclusion7 decks13 decks
34%synergy
Etherium Sculptor
54%inclusion7 decks13 decks
37%synergy
Game Changers
Cyclonic Rift
54%inclusion7 decks13 decks
22%synergy
The One Ring
38%inclusion5 decks13 decks
26%synergy
Rhystic Study
31%inclusion4 decks13 decks
-1%synergy
Force of Will
31%inclusion4 decks13 decks
14%synergy
Fierce Guardianship
23%inclusion3 decks13 decks
1%synergy
Chrome Mox
15%inclusion2 decks13 decks
6%synergy
Mystical Tutor
15%inclusion2 decks13 decks
-6%synergy
Ancient Tomb
7.7%inclusion1 decks13 decks
-4%synergy
Consecrated Sphinx
7.7%inclusion1 decks13 decks
-4%synergy
Mana Vault
7.7%inclusion1 decks13 decks
-2%synergy
Creatures
Cityscape Leveler
54%inclusion7 decks13 decks
52%synergy
Meteor Golem
54%inclusion7 decks13 decks
50%synergy
Sai, Master Thopterist
46%inclusion6 decks13 decks
34%synergy
The Reality Chip
46%inclusion6 decks13 decks
34%synergy
Kappa Cannoneer
46%inclusion6 decks13 decks
38%synergy
Karn, Legacy Reforged
46%inclusion6 decks13 decks
44%synergy
Shimmer Myr
46%inclusion6 decks13 decks
40%synergy
Riddlesmith
46%inclusion6 decks13 decks
43%synergy
Urza, Lord High Artificer
46%inclusion6 decks13 decks
38%synergy
Unctus, Grand Metatect
38%inclusion5 decks13 decks
33%synergy
Threefold Thunderhulk
38%inclusion5 decks13 decks
37%synergy
Mirrorshell Crab
38%inclusion5 decks13 decks
37%synergy
Glen Elendra Guardian
33%inclusion1 decks3 decks
32%synergy
Fugitive Droid
33%inclusion1 decks3 decks
31%synergy
Padeem, Consul of Innovation
31%inclusion4 decks13 decks
21%synergy
Foundry Inspector
31%inclusion4 decks13 decks
17%synergy
Transplant Theorist
31%inclusion4 decks13 decks
30%synergy
Walking Ballista
31%inclusion4 decks13 decks
25%synergy
Akal Pakal, First Among Equals
31%inclusion4 decks13 decks
30%synergy
Kuldotha Forgemaster
31%inclusion4 decks13 decks
29%synergy
Myr Retriever
31%inclusion4 decks13 decks
27%synergy
Wurmcoil Engine
31%inclusion4 decks13 decks
28%synergy
Shimmer Dragon
31%inclusion4 decks13 decks
28%synergy
Blightsteel Colossus
31%inclusion4 decks13 decks
26%synergy
Krang, Master Mind
25%inclusion1 decks4 decks
24%synergy
Solemn Simulacrum
23%inclusion3 decks13 decks
2%synergy
Thought Courier
23%inclusion3 decks13 decks
22%synergy
Scrap Trawler
23%inclusion3 decks13 decks
19%synergy
Vedalken Archmage
23%inclusion3 decks13 decks
17%synergy
Hydroelectric Specimen
23%inclusion3 decks13 decks
9%synergy
Metalwork Colossus
23%inclusion3 decks13 decks
21%synergy
Silver Myr
23%inclusion3 decks13 decks
12%synergy
Merfolk Looter
23%inclusion3 decks13 decks
21%synergy
Liberator, Urza's Battlethopter
23%inclusion3 decks13 decks
18%synergy
Forensic Gadgeteer
23%inclusion3 decks13 decks
13%synergy
Soul of New Phyrexia
23%inclusion3 decks13 decks
22%synergy
Geology Enthusiast
23%inclusion3 decks13 decks
23%synergy
Master Transmuter
23%inclusion3 decks13 decks
19%synergy
Phyrexian Triniform
23%inclusion3 decks13 decks
22%synergy
Marvin, Murderous Mimic
22%inclusion2 decks9 decks
19%synergy
Stridehangar Automaton
20%inclusion1 decks5 decks
17%synergy
Kitsa, Otterball Elite
18%inclusion2 decks11 decks
16%synergy
Sicarian Infiltrator
15%inclusion2 decks13 decks
15%synergy
Malcolm, Alluring Scoundrel
15%inclusion2 decks13 decks
11%synergy
Memnarch
15%inclusion2 decks13 decks
13%synergy
Steel Hellkite
15%inclusion2 decks13 decks
14%synergy
Mirran Spy
15%inclusion2 decks13 decks
12%synergy
Hulking Metamorph
15%inclusion2 decks13 decks
14%synergy
Lore Broker
15%inclusion2 decks13 decks
15%synergy
Ledger Shredder
15%inclusion2 decks13 decks
9%synergy
Instants
Scour for Scrap
50%inclusion2 decks4 decks
42%synergy
Pongify
38%inclusion5 decks13 decks
-2%synergy
Mana Drain
38%inclusion5 decks13 decks
12%synergy
Stern Lesson
38%inclusion5 decks13 decks
38%synergy
Sink into Stupor
38%inclusion5 decks13 decks
16%synergy
Frantic Search
31%inclusion4 decks13 decks
-0%synergy
Resculpt
31%inclusion4 decks13 decks
14%synergy
Desynchronization
31%inclusion4 decks13 decks
26%synergy
Three Steps Ahead
23%inclusion3 decks13 decks
13%synergy
Disruption Protocol
23%inclusion3 decks13 decks
21%synergy
Rapid Hybridization
15%inclusion2 decks13 decks
-19%synergy
An Offer You Can't Refuse
15%inclusion2 decks13 decks
-23%synergy
Negate
15%inclusion2 decks13 decks
-22%synergy
Reality Shift
15%inclusion2 decks13 decks
-11%synergy
Swan Song
15%inclusion2 decks13 decks
-12%synergy
Arcane Denial
15%inclusion2 decks13 decks
-21%synergy
Masterful Replication
15%inclusion2 decks13 decks
14%synergy
Dramatic Reversal
15%inclusion2 decks13 decks
-4%synergy
Ugin's Binding
15%inclusion2 decks13 decks
14%synergy
Into the Flood Maw
9.1%inclusion1 decks11 decks
3%synergy
Muddle the Mixture
7.7%inclusion1 decks13 decks
-7%synergy
Paradoxical Outcome
7.7%inclusion1 decks13 decks
6%synergy
Kozilek's Command
7.7%inclusion1 decks13 decks
7%synergy
Cyber Conversion
7.7%inclusion1 decks13 decks
4%synergy
Brain Freeze
7.7%inclusion1 decks13 decks
4%synergy
Reality Heist
7.7%inclusion1 decks13 decks
7%synergy
Cancel
7.7%inclusion1 decks13 decks
3%synergy
Flusterstorm
7.7%inclusion1 decks13 decks
-2%synergy
Jwari Disruption
7.7%inclusion1 decks13 decks
3%synergy
Silundi Vision
7.7%inclusion1 decks13 decks
2%synergy
Pull from Tomorrow
7.7%inclusion1 decks13 decks
-2%synergy
Change of Plans
7.7%inclusion1 decks13 decks
7%synergy
Flow of Knowledge
7.7%inclusion1 decks13 decks
-8%synergy
Misdirection
7.7%inclusion1 decks13 decks
2%synergy
Desecrate Reality
7.7%inclusion1 decks13 decks
8%synergy
Dig Through Time
7.7%inclusion1 decks13 decks
-1%synergy
Sorceries
Thoughtcast
54%inclusion7 decks13 decks
45%synergy
All Is Dust
38%inclusion5 decks13 decks
37%synergy
Universal Surveillance
31%inclusion4 decks13 decks
29%synergy
Sea Gate Restoration
23%inclusion3 decks13 decks
8%synergy
Lórien Revealed
15%inclusion2 decks13 decks
7%synergy
Ravenform
15%inclusion2 decks13 decks
7%synergy
Argivian Restoration
15%inclusion2 decks13 decks
15%synergy
Solve the Equation
15%inclusion2 decks13 decks
4%synergy
Drafna's Restoration
7.7%inclusion1 decks13 decks
7%synergy
Reshape
7.7%inclusion1 decks13 decks
1%synergy
Curse of the Swine
7.7%inclusion1 decks13 decks
-3%synergy
Treasure Cruise
7.7%inclusion1 decks13 decks
-3%synergy
Anchor to Reality
7.7%inclusion1 decks13 decks
7%synergy
Selective Obliteration
7.7%inclusion1 decks13 decks
8%synergy
Step Through
7.7%inclusion1 decks13 decks
3%synergy
River's Rebuke
7.7%inclusion1 decks13 decks
4%synergy
Transmute Artifact
7.7%inclusion1 decks13 decks
4%synergy
Reverse Engineer
7.7%inclusion1 decks13 decks
7%synergy
Utility Artifacts
Monument to Endurance
60%inclusion3 decks5 decks
59%synergy
Lightning Greaves
54%inclusion7 decks13 decks
28%synergy
Mystic Forge
46%inclusion6 decks13 decks
37%synergy
Darksteel Forge
46%inclusion6 decks13 decks
41%synergy
Swiftfoot Boots
46%inclusion6 decks13 decks
18%synergy
Thousand-Year Elixir
38%inclusion5 decks13 decks
35%synergy
Mnemonic Sphere
38%inclusion5 decks13 decks
37%synergy
Trading Post
38%inclusion5 decks13 decks
37%synergy
Bag of Holding
38%inclusion5 decks13 decks
38%synergy
Simulacrum Synthesizer
38%inclusion5 decks13 decks
33%synergy
Meteor Sword
33%inclusion1 decks3 decks
33%synergy
Sewer-veillance Cam
33%inclusion1 decks3 decks
29%synergy
Matzalantli, the Great Door
31%inclusion4 decks13 decks
30%synergy
Sculpting Steel
31%inclusion4 decks13 decks
24%synergy
Worldwalker Helm
31%inclusion4 decks13 decks
28%synergy
Idol of Oblivion
31%inclusion4 decks13 decks
27%synergy
Amulet of Vigor
31%inclusion4 decks13 decks
30%synergy
The Regalia
25%inclusion1 decks4 decks
24%synergy
World Map
25%inclusion1 decks4 decks
24%synergy
Extinguisher Battleship
25%inclusion1 decks4 decks
24%synergy
Uthros Research Craft
25%inclusion1 decks4 decks
18%synergy
Nettlecyst
23%inclusion3 decks13 decks
21%synergy
Sensei's Divining Top
23%inclusion3 decks13 decks
9%synergy
Wayfarer's Bauble
23%inclusion3 decks13 decks
6%synergy
Moonsilver Key
23%inclusion3 decks13 decks
20%synergy
Clock of Omens
23%inclusion3 decks13 decks
21%synergy
Krark-Clan Ironworks
23%inclusion3 decks13 decks
21%synergy
Expedition Map
23%inclusion3 decks13 decks
19%synergy
Key to the City
23%inclusion3 decks13 decks
22%synergy
Retrofitter Foundry
23%inclusion3 decks13 decks
22%synergy
Mycosynth Lattice
23%inclusion3 decks13 decks
20%synergy
Alhammarret's Archive
23%inclusion3 decks13 decks
21%synergy
Staff of Domination
23%inclusion3 decks13 decks
21%synergy
Mirrorworks
23%inclusion3 decks13 decks
22%synergy
Repurposing Bay
20%inclusion1 decks5 decks
16%synergy
Thopter Fabricator
20%inclusion1 decks5 decks
16%synergy
Adaptive Omnitool
20%inclusion1 decks5 decks
19%synergy
Spine of Ish Sah
15%inclusion2 decks13 decks
14%synergy
Voltaic Key
15%inclusion2 decks13 decks
10%synergy
Chimil, the Inner Sun
15%inclusion2 decks13 decks
12%synergy
Soul-Guide Lantern
15%inclusion2 decks13 decks
11%synergy
The Everflowing Well
15%inclusion2 decks13 decks
14%synergy
Elixir of Immortality
15%inclusion2 decks13 decks
13%synergy
Cloud Key
15%inclusion2 decks13 decks
8%synergy
Manifold Key
15%inclusion2 decks13 decks
8%synergy
Smuggler's Copter
15%inclusion2 decks13 decks
14%synergy
Mind's Eye
15%inclusion2 decks13 decks
14%synergy
Inspiring Statuary
15%inclusion2 decks13 decks
14%synergy
Rings of Brighthearth
15%inclusion2 decks13 decks
9%synergy
Isochron Scepter
15%inclusion2 decks13 decks
-2%synergy
Enchantments
Mirrodin Besieged
46%inclusion6 decks13 decks
41%synergy
Does Machines
33%inclusion1 decks3 decks
32%synergy
Artificer Class
31%inclusion4 decks13 decks
28%synergy
Mechanized Production
23%inclusion3 decks13 decks
16%synergy
The Antiquities War
23%inclusion3 decks13 decks
22%synergy
Artificer's Intuition
23%inclusion3 decks13 decks
22%synergy
Teferi's Ageless Insight
15%inclusion2 decks13 decks
-2%synergy
Efficient Construction
15%inclusion2 decks13 decks
9%synergy
Mystic Remora
15%inclusion2 decks13 decks
-11%synergy
Freed from the Real
7.7%inclusion1 decks13 decks
4%synergy
Back to Basics
7.7%inclusion1 decks13 decks
1%synergy
Imprisoned in the Moon
7.7%inclusion1 decks13 decks
-4%synergy
Thopter Spy Network
7.7%inclusion1 decks13 decks
-0%synergy
Words of Wind
7.7%inclusion1 decks13 decks
8%synergy
Field of Dreams
7.7%inclusion1 decks13 decks
8%synergy
Copy Artifact
7.7%inclusion1 decks13 decks
4%synergy
Leyline of Anticipation
7.7%inclusion1 decks13 decks
-1%synergy
Exchange of Words
7.7%inclusion1 decks13 decks
7%synergy
Search for Azcanta
7.7%inclusion1 decks13 decks
5%synergy
War Tax
7.7%inclusion1 decks13 decks
7%synergy
Battles
Invasion of Vryn
7.7%inclusion1 decks13 decks
7%synergy
Planeswalkers
Tezzeret, Cruel Captain
50%inclusion2 decks4 decks
43%synergy
Tezzeret the Seeker
46%inclusion6 decks13 decks
37%synergy
Karn, Living Legacy
38%inclusion5 decks13 decks
38%synergy
Tezzeret, Betrayer of Flesh
31%inclusion4 decks13 decks
29%synergy
Ugin, Eye of the Storms
20%inclusion1 decks5 decks
18%synergy
Teferi, Master of Time
15%inclusion2 decks13 decks
11%synergy
Ugin, the Ineffable
7.7%inclusion1 decks13 decks
6%synergy
Karn, the Great Creator
7.7%inclusion1 decks13 decks
5%synergy
Narset, Parter of Veils
7.7%inclusion1 decks13 decks
-3%synergy
Ugin, the Spirit Dragon
7.7%inclusion1 decks13 decks
7%synergy
Utility Lands
Uthros, Titanic Godcore
75%inclusion3 decks4 decks
65%synergy
Urza's Saga
69%inclusion9 decks13 decks
53%synergy
Academy Ruins
69%inclusion9 decks13 decks
50%synergy
Inventors' Fair
62%inclusion8 decks13 decks
49%synergy
Otawara, Soaring City
62%inclusion8 decks13 decks
36%synergy
Buried Ruin
54%inclusion7 decks13 decks
42%synergy
Fomori Vault
54%inclusion7 decks13 decks
50%synergy
War Room
54%inclusion7 decks13 decks
38%synergy
Reliquary Tower
54%inclusion7 decks13 decks
-3%synergy
Minamo, School at Water's Edge
46%inclusion6 decks13 decks
33%synergy
Mistrise Village
40%inclusion2 decks5 decks
31%synergy
Mystic Sanctuary
38%inclusion5 decks13 decks
-11%synergy
Geier Reach Sanitarium
38%inclusion5 decks13 decks
35%synergy
Agna Qel'a
33%inclusion1 decks3 decks
26%synergy
Urza's Tower
31%inclusion4 decks13 decks
26%synergy
Urza's Mine
31%inclusion4 decks13 decks
26%synergy
Urza's Power Plant
31%inclusion4 decks13 decks
26%synergy
Secluded Starforge
25%inclusion1 decks4 decks
24%synergy
Rivendell
23%inclusion3 decks13 decks
13%synergy
Crawling Barrens
23%inclusion3 decks13 decks
23%synergy
Ghost Quarter
15%inclusion2 decks13 decks
13%synergy
Halimar Depths
15%inclusion2 decks13 decks
6%synergy
Tolaria West
15%inclusion2 decks13 decks
10%synergy
Scavenger Grounds
15%inclusion2 decks13 decks
8%synergy
Urza's Workshop
15%inclusion2 decks13 decks
14%synergy
Lonely Sandbar
15%inclusion2 decks13 decks
2%synergy
Cephalid Coliseum
15%inclusion2 decks13 decks
6%synergy
Castle Vantress
15%inclusion2 decks13 decks
-3%synergy
Rogue's Passage
15%inclusion2 decks13 decks
-0%synergy
Fountainport
9.1%inclusion1 decks11 decks
7%synergy
Zhalfirin Void
7.7%inclusion1 decks13 decks
7%synergy
Remote Isle
7.7%inclusion1 decks13 decks
3%synergy
Arcane Lighthouse
7.7%inclusion1 decks13 decks
6%synergy
Blast Zone
7.7%inclusion1 decks13 decks
6%synergy
Arch of Orazca
7.7%inclusion1 decks13 decks
7%synergy
Coral Atoll
7.7%inclusion1 decks13 decks
4%synergy
Blighted Cataract
7.7%inclusion1 decks13 decks
7%synergy
Desert of the Mindful
7.7%inclusion1 decks13 decks
4%synergy
Urza's Factory
7.7%inclusion1 decks13 decks
7%synergy
Oboro, Palace in the Clouds
7.7%inclusion1 decks13 decks
6%synergy
Trenzalore Clocktower
7.7%inclusion1 decks13 decks
7%synergy
Sanctum of Ugin
7.7%inclusion1 decks13 decks
7%synergy
Command Beacon
7.7%inclusion1 decks13 decks
3%synergy
Memorial to Genius
7.7%inclusion1 decks13 decks
6%synergy
Nykthos, Shrine to Nyx
7.7%inclusion1 decks13 decks
-9%synergy
Shrine of the Forsaken Gods
7.7%inclusion1 decks13 decks
7%synergy
Volatile Fault
7.7%inclusion1 decks13 decks
7%synergy
Tolaria
7.7%inclusion1 decks13 decks
7%synergy
Deserted Temple
7.7%inclusion1 decks13 decks
7%synergy
Thespian's Stage
7.7%inclusion1 decks13 decks
5%synergy
Mana Artifacts
Sol Ring
100%inclusion13 decks13 decks
15%synergy
Arcane Signet
54%inclusion7 decks13 decks
-11%synergy
Thought Vessel
46%inclusion6 decks13 decks
-5%synergy
Midnight Clock
46%inclusion6 decks13 decks
26%synergy
Mox Opal
46%inclusion6 decks13 decks
36%synergy
Liquimetal Torque
38%inclusion5 decks13 decks
32%synergy
Mind Stone
38%inclusion5 decks13 decks
4%synergy
Basalt Monolith
31%inclusion4 decks13 decks
21%synergy
Moonsnare Prototype
31%inclusion4 decks13 decks
29%synergy
All-Fates Scroll
25%inclusion1 decks4 decks
25%synergy
Everflowing Chalice
23%inclusion3 decks13 decks
7%synergy
Lotus Petal
23%inclusion3 decks13 decks
11%synergy
Mox Amber
23%inclusion3 decks13 decks
16%synergy
Blinkmoth Urn
15%inclusion2 decks13 decks
14%synergy
Sky Diamond
15%inclusion2 decks13 decks
-7%synergy
Jeweled Lotus
15%inclusion2 decks13 decks
14%synergy
Fellwar Stone
15%inclusion2 decks13 decks
-4%synergy
Network Terminal
15%inclusion2 decks13 decks
15%synergy
The Mightstone and Weakstone
15%inclusion2 decks13 decks
15%synergy
Dreamstone Hedron
7.7%inclusion1 decks13 decks
6%synergy
Mana Crypt
7.7%inclusion1 decks13 decks
7%synergy
Empowered Autogenerator
7.7%inclusion1 decks13 decks
6%synergy
Slagstone Refinery
7.7%inclusion1 decks13 decks
7%synergy
Thran Dynamo
7.7%inclusion1 decks13 decks
-5%synergy
Patriar's Seal
7.7%inclusion1 decks13 decks
5%synergy
Worn Powerstone
7.7%inclusion1 decks13 decks
3%synergy
Crystal Skull, Isu Spyglass
7.7%inclusion1 decks13 decks
3%synergy
The Celestus
7.7%inclusion1 decks13 decks
8%synergy
Sceptre of Eternal Glory
7.7%inclusion1 decks13 decks
4%synergy
Jeweled Amulet
7.7%inclusion1 decks13 decks
5%synergy
Skyclave Relic
7.7%inclusion1 decks13 decks
7%synergy
Chromatic Star
7.7%inclusion1 decks13 decks
5%synergy
Lands
Island
100%inclusion13 decks13 decks
6%synergy
Sink into Stupor
38%inclusion5 decks13 decks
16%synergy
Rumble Arena
33%inclusion1 decks3 decks
33%synergy
The Mycosynth Gardens
31%inclusion4 decks13 decks
25%synergy
Urza's Cave
31%inclusion4 decks13 decks
27%synergy
Scene of the Crime
31%inclusion4 decks13 decks
30%synergy
Myriad Landscape
23%inclusion3 decks13 decks
-2%synergy
Sea Gate Restoration
23%inclusion3 decks13 decks
8%synergy
Hydroelectric Specimen
23%inclusion3 decks13 decks
9%synergy
Power Depot
23%inclusion3 decks13 decks
22%synergy
Hidden Grotto
9.1%inclusion1 decks11 decks
8%synergy
Command Tower
7.7%inclusion1 decks13 decks
3%synergy
Fabled Passage
7.7%inclusion1 decks13 decks
5%synergy
Lazotep Quarry
7.7%inclusion1 decks13 decks
7%synergy
Conduit Pylons
7.7%inclusion1 decks13 decks
7%synergy
Talon Gates of Madara
7.7%inclusion1 decks13 decks
4%synergy
Demolition Field
7.7%inclusion1 decks13 decks
2%synergy
Jwari Disruption
7.7%inclusion1 decks13 decks
3%synergy
Plaza of Heroes
7.7%inclusion1 decks13 decks
7%synergy
The Grey Havens
7.7%inclusion1 decks13 decks
7%synergy
Silundi Vision
7.7%inclusion1 decks13 decks
2%synergy
Glasspool Mimic
7.7%inclusion1 decks13 decks
1%synergy
Scalding Tarn
7.7%inclusion1 decks13 decks
0%synergy
Crystal Grotto
7.7%inclusion1 decks13 decks
7%synergy
Hall of Tagsin
7.7%inclusion1 decks13 decks
7%synergy