Glacial Chasm + Azusa, Lost but Seeking + Conduit of Worlds
Glacial Chasm
Azusa, Lost but Seeking
Conduit of Worlds
Requires
Glacial Chasm must be in hand, or in the graveyard.
Azusa, Lost but Seeking must be on the battlefield.
Conduit of Worlds must be on the battlefield.
You control at least one additional land.
Steps
- Play Glacial Chasm either from your hand or from your graveyard.
- When Glacial Chasm enters the battlefield, its second ability triggers, causing you to sacrifice another land you control.
- Pass the turn.
- At the beginning of your next upkeep, Glacial Chasm's cumulative upkeep ability triggers, causing you to sacrifice it.
- Play a land except Glacial Chasm from your graveyard.
- Repeat.
Results
Prevent all damage that would be dealt to you.
The Necrobloom
16.20% of 9366 decks
1517 decks
Lord Windgrace
13.14% of 9108 decks
1197 decks
Thalia and The Gitrog Monster
6.24% of 12491 decks
780 decks
Azusa, Lost but Seeking
11.54% of 4210 decks
486 decks
Titania, Protector of Argoth
18.86% of 2545 decks
480 decks
The Gitrog Monster
7.56% of 5777 decks
437 decks
Omnath, Locus of Creation
1.63% of 13596 decks
221 decks
Soul of Windgrace
6.72% of 3169 decks
213 decks
Flubs, the Fool
2.43% of 7577 decks
184 decks
Aesi, Tyrant of Gyre Strait
1.69% of 10392 decks
176 decks
Tatyova, Benthic Druid
2.94% of 5751 decks
169 decks
Titania, Voice of Gaea
6.43% of 2598 decks
167 decks
Slogurk, the Overslime
9.21% of 1770 decks
163 decks
Muldrotha, the Gravetide
0.93% of 15112 decks
141 decks
Borborygmos Enraged
4.85% of 2617 decks
127 decks
Yuma, Proud Protector
2.98% of 4257 decks
127 decks
Hazezon, Shaper of Sand
1.63% of 7646 decks
125 decks
Baba Lysaga, Night Witch
2.01% of 5476 decks
110 decks
New Cards
Loot, Exuberant Explorer
96% of 117 decks
+72% synergy
Walk-In Closet // Forgotten Cellar
90% of 715 decks
+63% synergy
Hedge Shredder
32% of 990 decks
+25% synergy
Mossborn Hydra
23% of 168 decks
+13% synergy
Blasphemous Edict
15% of 68 decks
-20% synergy
High Synergy Cards
Ramunap Excavator
88% of 8911 decks
+81% synergy
Crucible of Worlds
77% of 8911 decks
+74% synergy
Crop Rotation
84% of 8911 decks
+74% synergy
The Gitrog Monster
79% of 5376 decks
+74% synergy
Exploration
81% of 8911 decks
+72% synergy
Field of the Dead
72% of 8911 decks
+68% synergy
Oracle of Mul Daya
73% of 8911 decks
+67% synergy
Lotus Cobra
74% of 8911 decks
+66% synergy
Ancient Greenwarden
67% of 8911 decks
+63% synergy
Dryad of the Ilysian Grove
68% of 8911 decks
+60% synergy
Top Cards
Scute Swarm
70% of 8911 decks
+60% synergy
Swords to Plowshares
68% of 3192 decks
+5% synergy
Tatyova, Benthic Druid
68% of 2122 decks
+56% synergy
Tireless Provisioner
66% of 8911 decks
+55% synergy
Assassin's Trophy
66% of 5376 decks
+35% synergy
Six
63% of 4031 decks
+55% synergy
Life from the Loam
62% of 8911 decks
+58% synergy
Felidar Retreat
62% of 3192 decks
+55% synergy
Splendid Reclamation
61% of 8911 decks
+57% synergy
Avenger of Zendikar
59% of 8911 decks
+49% synergy
Creatures
Omnath, Locus of Rage
56% of 2947 decks
+51% synergy
Thalia and The Gitrog Monster
56% of 2475 decks
+51% synergy
Titania, Protector of Argoth
55% of 8911 decks
+52% synergy
Wight of the Reliquary
54% of 2737 decks
+46% synergy
Knight of the Reliquary
53% of 3192 decks
+52% synergy
Aesi, Tyrant of Gyre Strait
51% of 2122 decks
+45% synergy
Eternal Witness
50% of 8911 decks
+29% synergy
Springheart Nantuko
50% of 3254 decks
+42% synergy
Mina and Denn, Wildborn
48% of 2947 decks
+43% synergy
Sylvan Safekeeper
47% of 8911 decks
+44% synergy
Iridescent Vinelasher
47% of 1082 decks
+44% synergy
Elvish Reclaimer
46% of 8911 decks
+44% synergy
Braids, Arisen Nightmare
43% of 5376 decks
+36% synergy
Aftermath Analyst
42% of 5493 decks
+38% synergy
Rampaging Baloths
42% of 8911 decks
+35% synergy
Soul of Windgrace
42% of 1780 decks
+40% synergy
Tireless Tracker
41% of 8911 decks
+36% synergy
Ob Nixilis, the Fallen
38% of 5376 decks
+37% synergy
Wayward Swordtooth
34% of 8911 decks
+30% synergy
Ignoble Hierarch
33% of 1780 decks
+7% synergy
Uro, Titan of Nature's Wrath
32% of 2122 decks
+28% synergy
World Shaper
32% of 8911 decks
+29% synergy
Courser of Kruphix
30% of 8911 decks
+27% synergy
Nissa, Resurgent Animist
28% of 7487 decks
+26% synergy
Sakura-Tribe Elder
27% of 8911 decks
+8% synergy
Moraug, Fury of Akoum
24% of 2947 decks
+21% synergy
Cultivator Colossus
24% of 8911 decks
+22% synergy
Birds of Paradise
24% of 8911 decks
-3% synergy
Titania, Voice of Gaea
23% of 8911 decks
+21% synergy
Elesh Norn, Mother of Machines
23% of 3192 decks
+18% synergy
Lumra, Bellow of the Woods
22% of 4668 decks
+20% synergy
Muldrotha, the Gravetide
22% of 824 decks
+16% synergy
Hugs, Grisly Guardian
21% of 505 decks
+17% synergy
Greensleeves, Maro-Sorcerer
21% of 8911 decks
+19% synergy
Omnath, Locus of the Roil
21% of 788 decks
+18% synergy
Craterhoof Behemoth
20% of 8911 decks
+14% synergy
Omnath, Locus of Creation
20% of 477 decks
+18% synergy
Emeria Angel
20% of 3192 decks
+18% synergy
Roil Elemental
20% of 2122 decks
+19% synergy
Augur of Autumn
19% of 8911 decks
+16% synergy
Deathrite Shaman
19% of 5376 decks
+7% synergy
Esper Sentinel
19% of 3192 decks
-1% synergy
Kodama of the East Tree
19% of 8911 decks
+15% synergy
Ashaya, Soul of the Wild
18% of 8911 decks
+15% synergy
Blossoming Tortoise
18% of 6537 decks
+16% synergy
Orcish Lumberjack
18% of 2947 decks
+16% synergy
Springbloom Druid
17% of 8911 decks
+13% synergy
Perennial Behemoth
17% of 8911 decks
+15% synergy
Meloku the Clouded Mirror
16% of 2122 decks
+15% synergy
The Necrobloom
16% of 1394 decks
+12% synergy
Instants
Path to Exile
55% of 3192 decks
+9% synergy
Beast Within
53% of 8911 decks
+14% synergy
Cyclonic Rift
44% of 2122 decks
+17% synergy
Constant Mists
44% of 8911 decks
+42% synergy
Harrow
43% of 8911 decks
+33% synergy
Anguished Unmaking
41% of 2582 decks
+17% synergy
Growth Spiral
40% of 2122 decks
+18% synergy
Heroic Intervention
39% of 8911 decks
+9% synergy
Realms Uncharted
37% of 8911 decks
+36% synergy
Counterspell
35% of 2122 decks
-8% synergy
Entish Restoration
30% of 7021 decks
+22% synergy
Teferi's Protection
29% of 3192 decks
+9% synergy
Archdruid's Charm
29% of 5493 decks
+22% synergy
Vampiric Tutor
25% of 5376 decks
+6% synergy
Generous Gift
24% of 3192 decks
-2% synergy
Chaos Warp
24% of 2947 decks
-8% synergy
Worldly Tutor
22% of 8911 decks
+8% synergy
Fierce Guardianship
21% of 2122 decks
+3% synergy
Mana Drain
19% of 2122 decks
+4% synergy
Arcane Denial
19% of 2122 decks
-1% synergy
Planar Genesis
18% of 825 decks
+10% synergy
Mystical Tutor
17% of 2122 decks
+2% synergy
An Offer You Can't Refuse
17% of 2122 decks
-3% synergy
Roiling Regrowth
17% of 8911 decks
+13% synergy
Abrupt Decay
16% of 5376 decks
+6% synergy
Sink into Stupor
16% of 875 decks
+3% synergy
Pongify
16% of 2122 decks
+5% synergy
Swan Song
16% of 2122 decks
-0% synergy
Deflecting Swat
16% of 2947 decks
-0% synergy
Tear Asunder
14% of 5376 decks
+8% synergy
Enlightened Tutor
14% of 3192 decks
-4% synergy
Nature's Claim
13% of 8911 decks
+4% synergy
Negate
12% of 2122 decks
-11% synergy
Rapid Hybridization
12% of 2122 decks
+3% synergy
Deadly Rollick
12% of 5376 decks
+1% synergy
Entomb
11% of 5376 decks
+4% synergy
Eladamri's Call
11% of 3192 decks
+0% synergy
Dovin's Veto
11% of 535 decks
-9% synergy
Fell the Profane
10% of 2474 decks
-2% synergy
Rite of Harmony
10% of 3192 decks
+7% synergy
Chord of Calling
10% of 8911 decks
+4% synergy
Force of Vigor
10% of 8911 decks
+6% synergy
Dawn's Truce
10% of 672 decks
-7% synergy
Krosan Grip
10% of 8911 decks
+2% synergy
Veil of Summer
9% of 8911 decks
+3% synergy
Noxious Revival
9% of 8911 decks
+3% synergy
Putrefy
9% of 5376 decks
-7% synergy
Revitalizing Repast
9% of 2474 decks
-4% synergy
Brainstorm
9% of 2122 decks
-13% synergy
Valakut Awakening
9% of 2947 decks
+2% synergy
Sorceries
Scapeshift
58% of 8911 decks
+55% synergy
Nature's Lore
50% of 8911 decks
+18% synergy
Three Visits
44% of 8911 decks
+19% synergy
Toxic Deluge
41% of 5376 decks
+23% synergy
Blasphemous Act
39% of 2947 decks
+5% synergy
Eerie Ultimatum
38% of 2582 decks
+25% synergy
Farseek
36% of 8911 decks
+2% synergy
Worldsoul's Rage
35% of 1499 decks
+32% synergy
Cultivate
34% of 8911 decks
-12% synergy
Demonic Tutor
34% of 5376 decks
+12% synergy
Sylvan Scrying
30% of 8911 decks
+27% synergy
Damn
29% of 2582 decks
+13% synergy
Bala Ged Recovery
26% of 8911 decks
+17% synergy
Kodama's Reach
26% of 8911 decks
-6% synergy
Green Sun's Zenith
25% of 8911 decks
+18% synergy
Awaken the Woods
25% of 8911 decks
+21% synergy
Torment of Hailfire
23% of 5376 decks
+18% synergy
Finale of Devastation
22% of 8911 decks
+14% synergy
Rampant Growth
21% of 8911 decks
-14% synergy
Sevinne's Reclamation
19% of 3192 decks
+12% synergy
Nahiri's Lithoforming
19% of 2947 decks
+19% synergy
Explore
19% of 8911 decks
+10% synergy
Farewell
19% of 3192 decks
+5% synergy
Wargate
19% of 535 decks
+15% synergy
Walk the Aeons
18% of 2122 decks
+17% synergy
Dread Return
16% of 5376 decks
+11% synergy
Villainous Wealth
16% of 824 decks
+8% synergy
Damnation
15% of 5376 decks
+7% synergy
Reanimate
15% of 5376 decks
-1% synergy
Culling Ritual
14% of 5376 decks
+3% synergy
Decimate
14% of 2947 decks
+6% synergy
Tempt with Discovery
13% of 8911 decks
+10% synergy
Supreme Verdict
13% of 535 decks
-1% synergy
Armageddon
13% of 3192 decks
+12% synergy
Vandalblast
13% of 2947 decks
-3% synergy
Skyshroud Claim
12% of 8911 decks
+3% synergy
Gamble
12% of 2947 decks
+2% synergy
Hour of Promise
11% of 8911 decks
+10% synergy
Faithless Looting
11% of 2947 decks
-6% synergy
Reshape the Earth
11% of 8911 decks
+9% synergy
Rebuild the City
11% of 1387 decks
+9% synergy
Nylea's Intervention
10% of 8911 decks
+9% synergy
Ruinous Ultimatum
10% of 242 decks
-9% synergy
Open the Way
9% of 7487 decks
+7% synergy
Windfall
9% of 2122 decks
-4% synergy
Obliterate
9% of 2947 decks
+8% synergy
Disorienting Choice
9% of 817 decks
+6% synergy
Doppelgang
8% of 1233 decks
+4% synergy
Worm Harvest
8% of 5376 decks
+7% synergy
Exsanguinate
8% of 5376 decks
+3% synergy
Utility Artifacts
Zuran Orb
51% of 8911 decks
+50% synergy
Expedition Map
23% of 8911 decks
+19% synergy
Horn of Greed
20% of 8911 decks
+19% synergy
Amulet of Vigor
19% of 8911 decks
+18% synergy
Lightning Greaves
19% of 8911 decks
-7% synergy
Skullclamp
12% of 8911 decks
-1% synergy
Swiftfoot Boots
10% of 8911 decks
-18% synergy
The One Ring
9% of 7872 decks
+0% synergy
Door to Nothingness
8% of 233 decks
+4% synergy
Emerald Medallion
5% of 8911 decks
+4% synergy
Brass's Tunnel-Grinder
5% of 1882 decks
+2% synergy
Bolas's Citadel
5% of 5376 decks
-4% synergy
Enchantments
Valakut Exploration
46% of 2947 decks
+44% synergy
Spelunking
37% of 6174 decks
+32% synergy
Burgeoning
33% of 8911 decks
+29% synergy
Squandered Resources
32% of 5376 decks
+31% synergy
Retreat to Hagra
32% of 5376 decks
+31% synergy
Sylvan Library
32% of 8911 decks
+20% synergy
Rhystic Study
31% of 2122 decks
+3% synergy
Leyline of the Guildpact
29% of 112 decks
+6% synergy
Case of the Locked Hothouse
29% of 5142 decks
+25% synergy
Retreat to Coralhelm
26% of 2122 decks
+24% synergy
Caretaker's Talent
26% of 457 decks
+12% synergy
Insidious Roots
25% of 3110 decks
+16% synergy
Trade Routes
25% of 2122 decks
+24% synergy
Song of Creation
24% of 788 decks
+21% synergy
Mystic Remora
23% of 2122 decks
+5% synergy
Druid Class
20% of 8911 decks
+17% synergy
Aura Shards
18% of 3192 decks
+9% synergy
Undergrowth Recon
18% of 5493 decks
+16% synergy
Annie Joins Up
16% of 434 decks
-3% synergy
Ripples of Undeath
15% of 2098 decks
+8% synergy
Copy Land
14% of 693 decks
+12% synergy
Abundance
13% of 8911 decks
+10% synergy
Zendikar's Roil
12% of 8911 decks
+10% synergy
Fortune Teller's Talent
11% of 338 decks
+8% synergy
Garruk's Uprising
10% of 8911 decks
-6% synergy
Warleader's Call
10% of 515 decks
-1% synergy
Greater Good
9% of 8911 decks
+4% synergy
Kenrith's Transformation
9% of 8911 decks
+2% synergy
Phyrexian Arena
9% of 5376 decks
-6% synergy
The Mending of Dominaria
8% of 8911 decks
+7% synergy
Tribute to the World Tree
8% of 7751 decks
-0% synergy
Concordant Crossroads
8% of 8911 decks
+5% synergy
Smothering Tithe
8% of 3192 decks
-17% synergy
Anointed Procession
8% of 3192 decks
-1% synergy
Trouble in Pairs
8% of 2321 decks
+1% synergy
Guild Summit
8% of 2122 decks
+7% synergy
Overgrown Estate
8% of 2582 decks
+7% synergy
Virtue of Knowledge
8% of 1532 decks
+4% synergy
Animate Dead
7% of 5376 decks
-2% synergy
Excavation
7% of 2122 decks
+7% synergy
Pernicious Deed
7% of 5376 decks
+5% synergy
Tectonic Reformation
7% of 2947 decks
+6% synergy
Song of the Dryads
7% of 8911 decks
+4% synergy
Elemental Bond
7% of 8911 decks
+1% synergy
Retreat to Emeria
6% of 3192 decks
+5% synergy
Prismatic Omen
6% of 8911 decks
+5% synergy
Destructive Flow
6% of 1780 decks
+6% synergy
Temur Ascendancy
6% of 788 decks
-9% synergy
Amphibian Downpour
6% of 825 decks
+2% synergy
Seismic Assault
6% of 2947 decks
+5% synergy
Battles
Invasion of Ikoria
6% of 7617 decks
+1% synergy
Planeswalkers
Wrenn and Six
34% of 2947 decks
+32% synergy
Wrenn and Seven
21% of 8911 decks
+19% synergy
Nissa of Shadowed Boughs
18% of 5376 decks
+16% synergy
Nissa, Vital Force
15% of 8911 decks
+13% synergy
Lord Windgrace
14% of 1780 decks
+13% synergy
Wrenn and Realmbreaker
14% of 7845 decks
+11% synergy
Oko, Thief of Crowns
13% of 2122 decks
+7% synergy
Nissa, Who Shakes the World
9% of 8911 decks
+6% synergy
Ashiok, Dream Render
7% of 824 decks
+2% synergy
Jace, Wielder of Mysteries
6% of 2122 decks
+3% synergy
Utility Lands
Yavimaya, Cradle of Growth
68% of 8911 decks
+59% synergy
Bojuka Bog
63% of 5376 decks
+33% synergy
Boseiju, Who Endures
58% of 8911 decks
+38% synergy
Strip Mine
56% of 8911 decks
+53% synergy
Thespian's Stage
53% of 8911 decks
+51% synergy
Shifting Woodland
53% of 3771 decks
+43% synergy
Dark Depths
42% of 8911 decks
+41% synergy
Otawara, Soaring City
39% of 2122 decks
+22% synergy
Takenuma, Abandoned Mire
38% of 5376 decks
+27% synergy
Urborg, Tomb of Yawgmoth
36% of 8911 decks
+27% synergy
Valakut, the Molten Pinnacle
35% of 2947 decks
+33% synergy
Lotus Field
35% of 8911 decks
+34% synergy
Vesuva
34% of 8911 decks
+33% synergy
Mystic Sanctuary
31% of 2122 decks
+19% synergy
Wasteland
30% of 8911 decks
+28% synergy
Echoing Deeps
29% of 5972 decks
+28% synergy
Cabal Coffers
28% of 5376 decks
+17% synergy
Dryad Arbor
27% of 8911 decks
+23% synergy
Argoth, Sanctum of Nature
26% of 8911 decks
+24% synergy
Maze of Ith
26% of 8911 decks
+23% synergy
Reliquary Tower
25% of 8911 decks
-4% synergy
Dakmor Salvage
25% of 5376 decks
+23% synergy
Oboro, Palace in the Clouds
25% of 2122 decks
+24% synergy
Barren Moor
22% of 5376 decks
+18% synergy
Tranquil Thicket
21% of 8911 decks
+18% synergy
Command Beacon
20% of 8911 decks
+16% synergy
Tolaria West
18% of 2122 decks
+16% synergy
Ghost Quarter
18% of 8911 decks
+15% synergy
Urza's Saga
16% of 8911 decks
+9% synergy
Ancient Tomb
16% of 8911 decks
+5% synergy
Eiganjo, Seat of the Empire
15% of 3192 decks
+6% synergy
Kessig Wolf Run
14% of 2947 decks
-1% synergy
Blast Zone
12% of 8911 decks
+11% synergy
Phyrexian Tower
12% of 5376 decks
+4% synergy
Alchemist's Refuge
12% of 2122 decks
+5% synergy
Forgotten Cave
11% of 2947 decks
+6% synergy
Gaea's Cradle
11% of 8911 decks
+5% synergy
Secluded Steppe
10% of 3192 decks
+7% synergy
Scavenger Grounds
10% of 8911 decks
+7% synergy
Petrified Field
10% of 8911 decks
+10% synergy
Crystal Vein
10% of 8911 decks
+9% synergy
Lonely Sandbar
9% of 2122 decks
+6% synergy
Cephalid Coliseum
9% of 2122 decks
+6% synergy
Desert of the Fervent
9% of 2947 decks
+7% synergy
Ramunap Ruins
9% of 2947 decks
+7% synergy
War Room
9% of 8911 decks
+2% synergy
Desert of the True
8% of 3192 decks
+7% synergy
Guildless Commons
8% of 8911 decks
+7% synergy
Nykthos, Shrine to Nyx
8% of 8911 decks
+2% synergy
Temple of the False God
8% of 8911 decks
-2% synergy
Mana Artifacts
Sol Ring
67% of 8911 decks
-18% synergy
Arcane Signet
28% of 8911 decks
-44% synergy
Mana Crypt
8% of 8911 decks
-1% synergy
Mox Diamond
6% of 8911 decks
+2% synergy
Jeweled Lotus
5% of 8911 decks
-1% synergy
Simic Signet
5% of 2122 decks
-9% synergy
Lands
Overgrown Tomb
78% of 5376 decks
+36% synergy
Stomping Ground
74% of 2947 decks
+32% synergy
Temple Garden
73% of 3192 decks
+33% synergy
Godless Shrine
73% of 2582 decks
+32% synergy
Indatha Triome
70% of 2582 decks
+39% synergy
Ziatora's Proving Ground
70% of 1780 decks
+38% synergy
Command Tower
70% of 8911 decks
-4% synergy
Blood Crypt
69% of 1780 decks
+31% synergy
Breeding Pool
69% of 2122 decks
+28% synergy
Verdant Catacombs
62% of 8911 decks
+51% synergy
Zagoth Triome
53% of 824 decks
+22% synergy
Ketria Triome
53% of 788 decks
+20% synergy
Lush Portico
53% of 2448 decks
+41% synergy
Steam Vents
52% of 788 decks
+13% synergy
Underground Mortuary
52% of 3442 decks
+35% synergy
Watery Grave
52% of 824 decks
+11% synergy
The World Tree
51% of 233 decks
+17% synergy
Windswept Heath
51% of 8911 decks
+40% synergy
Shadowy Backstreet
50% of 2029 decks
+37% synergy
Simic Growth Chamber
49% of 2122 decks
+30% synergy
Fabled Passage
45% of 8911 decks
+36% synergy
Jetmir's Garden
45% of 787 decks
+12% synergy
Wooded Foothills
45% of 8911 decks
+35% synergy
Misty Rainforest
43% of 8911 decks
+31% synergy
Abraded Bluffs
43% of 439 decks
+38% synergy
Urza's Cave
43% of 4147 decks
+39% synergy
Hallowed Fountain
41% of 535 decks
+1% synergy
Hedge Maze
41% of 1269 decks
+27% synergy
Gruul Turf
40% of 2947 decks
+24% synergy
Golgari Rot Farm
40% of 5376 decks
+22% synergy
Commercial District
40% of 1703 decks
+27% synergy
Sacred Foundry
39% of 787 decks
+3% synergy
Spara's Headquarters
38% of 535 decks
+6% synergy
Deceptive Landscape
37% of 1132 decks
+24% synergy
Cinder Glade
35% of 2947 decks
-4% synergy
Selesnya Sanctuary
34% of 3192 decks
+20% synergy
Rejuvenating Springs
34% of 2122 decks
+5% synergy
Horizon of Progress
34% of 2549 decks
+31% synergy
Raucous Theater
33% of 885 decks
+20% synergy
Undergrowth Stadium
33% of 5376 decks
+7% synergy
Talon Gates of Madara
31% of 2549 decks
+28% synergy
Marsh Flats
30% of 8911 decks
+19% synergy
Raugrin Triome
29% of 477 decks
+2% synergy
Dimir Guildgate
29% of 824 decks
+24% synergy
Prismatic Vista
27% of 8911 decks
+21% synergy
Smoldering Marsh
27% of 1780 decks
-6% synergy
Undercity Sewers
26% of 440 decks
+12% synergy
Bountiful Promenade
26% of 3192 decks
+2% synergy
Evolving Wilds
26% of 8911 decks
+5% synergy
Thundering Falls
26% of 510 decks
+15% synergy