Opalescence + Day of the Dragons
Opalescence
Day of the Dragons
Requires
Opalescence must be on the battlefield.
Day of the Dragons must be in hand.
Mana needed: 
Steps
- Cast Day of the Dragons by paying .
- Day of the Dragons enters the battlefield, triggering itself, exiling itself and all other creatures you control and creating a 5/5 Dragon creature token for each creature exiled.
- When Day of the Dragons leaves the battlefield, it triggers itself, causing you to sacrifice all Dragons you control and return Day of the Dragons and the other exiled cards to the battlefield.
- Repeat from step 2.
- Note that this is a mandatory loop that will end the game in a draw unless you have a way to end it or to use it for a game-winning effect.
Results
Draw the game. Infinite ETB. Infinite LTB.
Aminatou, Veil Piercer
0.02% of 5550 decks
1 decks
Top Commanders
Kenrith, the Returned King
0.03% of 21513 decks
7 decks
Garth One-Eye
0.07% of 4123 decks
3 decks
Zedruu the Greathearted
0.03% of 7197 decks
2 decks
Phelddagrif
0.08% of 2597 decks
2 decks
Zur, Eternal Schemer
0.05% of 3854 decks
2 decks
Child of Alara
0.04% of 5025 decks
2 decks
Jegantha, the Wellspring
0.15% of 1364 decks
2 decks
Ertai, the Corrupted
0.14% of 732 decks
1 decks
Estrid, the Masked
0.03% of 3077 decks
1 decks
Breya, Etherium Shaper
0.01% of 13853 decks
1 decks
Esika, God of the Tree
0.01% of 17767 decks
1 decks
Akiri, Line-Slinger // Malcolm, Keen-Eyed Navigator
0.64% of 156 decks
1 decks
Kyodai, Soul of Kamigawa
0.05% of 1840 decks
1 decks
The Ninth Doctor // Clara Oswald
0.15% of 654 decks
1 decks
Heliod, the Radiant Dawn
0.02% of 4056 decks
1 decks
Tuvasa the Sunlit
0.02% of 5045 decks
1 decks
Atogatog
0.08% of 1216 decks
1 decks
High Synergy Cards
Enchanted Evening
85% of 34 decks
+84% synergy
Polyraptor
68% of 22 decks
+67% synergy
Ajani's Chosen
65% of 34 decks
+63% synergy
Marauding Raptor
62% of 24 decks
+61% synergy
Life and Limb
59% of 22 decks
+59% synergy
Sporemound
59% of 22 decks
+58% synergy
Rain of Gore
53% of 19 decks
+52% synergy
Stuffy Doll
51% of 35 decks
+51% synergy
Pariah
51% of 35 decks
+51% synergy
Transcendence
49% of 35 decks
+48% synergy
Top Cards
Farseek
55% of 22 decks
+20% synergy
Pitiless Plunderer
46% of 24 decks
+38% synergy
Enlightened Tutor
46% of 35 decks
+28% synergy
Birds of Paradise
45% of 22 decks
+19% synergy
Nature's Lore
45% of 22 decks
+13% synergy
Aether Flash
42% of 24 decks
+41% synergy
Starfield of Nyx
41% of 34 decks
+39% synergy
Skyshroud Claim
41% of 22 decks
+32% synergy
Worldly Tutor
41% of 22 decks
+27% synergy
Rhystic Study
39% of 36 decks
+11% synergy
Creatures
Platinum Angel
31% of 35 decks
+30% synergy
Gluntch, the Bestower
29% of 14 decks
+27% synergy
Heartless Hidetsugu
25% of 24 decks
+24% synergy
Esper Sentinel
25% of 32 decks
+4% synergy
Archon of Sun's Grace
24% of 34 decks
+20% synergy
Safehold Elite
23% of 22 decks
+23% synergy
Ondu Spiritdancer
21% of 14 decks
+18% synergy
Putrid Goblin
21% of 24 decks
+20% synergy
Worldgorger Dragon
21% of 24 decks
+20% synergy
Hex Parasite
21% of 24 decks
+20% synergy
Sanctum Weaver
19% of 21 decks
+13% synergy
Melira, Sylvok Outcast
18% of 22 decks
+18% synergy
Kitchen Finks
18% of 22 decks
+18% synergy
Dryad of the Ilysian Grove
18% of 22 decks
+10% synergy
Noble Hierarch
18% of 22 decks
+2% synergy
Fountain Watch
17% of 35 decks
+17% synergy
Lesser Masticore
17% of 35 decks
+17% synergy
Clever Impersonator
17% of 35 decks
+15% synergy
Vampire Hexmage
17% of 24 decks
+16% synergy
Endrek Sahr, Master Breeder
17% of 24 decks
+16% synergy
Humble Defector
17% of 24 decks
+15% synergy
Kwain, Itinerant Meddler
15% of 33 decks
+13% synergy
Arbiter of Knollridge
15% of 34 decks
+14% synergy
Bronze Bombshell
14% of 35 decks
+14% synergy
Academy Rector
14% of 35 decks
+14% synergy
Tidal Barracuda
14% of 35 decks
+13% synergy
Sythis, Harvest's Hand
14% of 21 decks
+7% synergy
Protean Hulk
14% of 22 decks
+12% synergy
Selvala, Explorer Returned
14% of 22 decks
+10% synergy
Eidolon of Blossoms
14% of 22 decks
+9% synergy
Bloom Tender
14% of 22 decks
+6% synergy
Phylactery Lich
12% of 24 decks
+12% synergy
Grim Guardian
12% of 24 decks
+11% synergy
Mikaeus, the Unhallowed
12% of 24 decks
+10% synergy
Zur the Enchanter
12% of 24 decks
+9% synergy
Purphoros, God of the Forge
12% of 24 decks
+8% synergy
Vizier of Remedies
12% of 34 decks
+12% synergy
Grand Abolisher
12% of 34 decks
+3% synergy
Silent Arbiter
11% of 35 decks
+10% synergy
Flumph
10% of 30 decks
+9% synergy
Leonin Relic-Warder
9% of 34 decks
+8% synergy
Luminous Broodmoth
9% of 34 decks
+7% synergy
Mesa Enchantress
9% of 34 decks
+4% synergy
Solemn Simulacrum
9% of 35 decks
-5% synergy
Instants
Vampiric Tutor
42% of 24 decks
+23% synergy
Counterspell
39% of 36 decks
-4% synergy
Swords to Plowshares
34% of 35 decks
-28% synergy
Arcane Denial
33% of 36 decks
+14% synergy
Swan Song
26% of 35 decks
+9% synergy
Brainstorm
22% of 36 decks
+1% synergy
An Offer You Can't Refuse
18% of 28 decks
-3% synergy
Angel's Grace
18% of 34 decks
+16% synergy
Silence
18% of 34 decks
+11% synergy
Fierce Guardianship
17% of 35 decks
-1% synergy
Cyclonic Rift
17% of 35 decks
-11% synergy
Mystical Tutor
17% of 36 decks
+2% synergy
Dovin's Veto
15% of 34 decks
-5% synergy
Path to Exile
15% of 34 decks
-31% synergy
Mana Drain
14% of 36 decks
-1% synergy
Voidslime
14% of 22 decks
+12% synergy
Eladamri's Call
14% of 22 decks
+2% synergy
Beast Within
14% of 22 decks
-25% synergy
Tainted Strike
12% of 24 decks
+11% synergy
Dark Ritual
12% of 24 decks
-10% synergy
Anguished Unmaking
12% of 24 decks
-12% synergy
Chaos Warp
12% of 24 decks
-20% synergy
Teferi's Protection
12% of 34 decks
-8% synergy
Pact of Negation
11% of 35 decks
+4% synergy
Force of Negation
11% of 35 decks
+2% synergy
Force of Will
11% of 36 decks
-0% synergy
Disallow
9% of 35 decks
+7% synergy
Dramatic Reversal
9% of 35 decks
+3% synergy
Opt
8% of 36 decks
-1% synergy
Frantic Search
8% of 36 decks
-4% synergy
Sorceries
Demonic Tutor
38% of 24 decks
+15% synergy
Three Visits
36% of 22 decks
+12% synergy
Idyllic Tutor
32% of 34 decks
+27% synergy
Kodama's Reach
27% of 22 decks
-4% synergy
Cultivate
27% of 22 decks
-19% synergy
Repay in Kind
25% of 24 decks
+25% synergy
Windfall
25% of 36 decks
+12% synergy
Harmless Offering
21% of 24 decks
+20% synergy
Grim Tutor
21% of 24 decks
+16% synergy
Ponder
20% of 35 decks
+7% synergy
Tempt with Discovery
18% of 22 decks
+14% synergy
Rampant Growth
18% of 22 decks
-17% synergy
Supreme Verdict
18% of 34 decks
+4% synergy
Replenish
17% of 35 decks
+16% synergy
Gamble
17% of 24 decks
+7% synergy
Resurgent Belief
16% of 32 decks
+14% synergy
Enduring Ideal
15% of 34 decks
+15% synergy
Donate
14% of 36 decks
+14% synergy
Collective Voyage
14% of 22 decks
+13% synergy
Sylvan Tutor
14% of 22 decks
+13% synergy
Jeska's Will
13% of 23 decks
-5% synergy
Imperial Seal
12% of 24 decks
+7% synergy
Blasphemous Act
12% of 24 decks
-21% synergy
Open the Vaults
12% of 34 decks
+11% synergy
Fabricate
11% of 35 decks
+5% synergy
Farewell
11% of 28 decks
-3% synergy
Dance of the Manse
9% of 34 decks
+4% synergy
Time Wipe
9% of 34 decks
+2% synergy
Enter the Infinite
9% of 35 decks
+8% synergy
Minds Aglow
9% of 35 decks
+8% synergy
Preordain
9% of 35 decks
-2% synergy
Utility Artifacts
Assault Suit
34% of 35 decks
+34% synergy
Immortal Coil
21% of 24 decks
+21% synergy
Lich's Mirror
20% of 35 decks
+20% synergy
Pariah's Shield
20% of 35 decks
+20% synergy
Helm of Obedience
17% of 36 decks
+17% synergy
Howling Mine
17% of 36 decks
+15% synergy
The One Ring
17% of 18 decks
+8% synergy
Ashnod's Altar
14% of 36 decks
+6% synergy
Ghirapur Orrery
11% of 35 decks
+11% synergy
Temple Bell
11% of 35 decks
+11% synergy
Grafted Exoskeleton
11% of 35 decks
+10% synergy
Lightning Greaves
11% of 35 decks
-14% synergy
Swiftfoot Boots
11% of 35 decks
-16% synergy
Maskwood Nexus
9% of 33 decks
+6% synergy
Mycosynth Lattice
9% of 35 decks
+8% synergy
Isochron Scepter
9% of 35 decks
+6% synergy
Sensei's Divining Top
9% of 35 decks
+3% synergy
Crawlspace
8% of 36 decks
+7% synergy
Scroll Rack
8% of 36 decks
+7% synergy
Phyrexian Altar
8% of 36 decks
+4% synergy
Enchantments
Shadow of the Second Sun
38% of 8 decks
+36% synergy
March of the Machines
37% of 35 decks
+37% synergy
Solemnity
35% of 34 decks
+34% synergy
Smothering Tithe
35% of 34 decks
+10% synergy
Propaganda
33% of 36 decks
+22% synergy
Titania's Song
32% of 22 decks
+32% synergy
Ghostly Prison
29% of 34 decks
+18% synergy
Animate Dead
29% of 24 decks
+20% synergy
Parallax Wave
29% of 35 decks
+28% synergy
Wheel of Sun and Moon
27% of 22 decks
+27% synergy
Mystic Remora
25% of 36 decks
+7% synergy
Celestial Convergence
23% of 35 decks
+23% synergy
Divine Intervention
23% of 35 decks
+23% synergy
Sterling Grove
23% of 22 decks
+15% synergy
Sylvan Library
23% of 22 decks
+11% synergy
Phyrexian Arena
21% of 24 decks
+6% synergy
Sphere of Safety
21% of 34 decks
+16% synergy
Out of Time
19% of 32 decks
+18% synergy
Privileged Position
18% of 22 decks
+15% synergy
Enchantress's Presence
18% of 22 decks
+14% synergy
Possibility Storm
17% of 24 decks
+16% synergy
Solitary Confinement
14% of 35 decks
+13% synergy
Touch the Spirit Realm
14% of 28 decks
+12% synergy
Heartbeat of Spring
14% of 22 decks
+13% synergy
Rites of Flourishing
14% of 22 decks
+11% synergy
Carpet of Flowers
14% of 22 decks
+10% synergy
Wild Growth
14% of 22 decks
+3% synergy
Triskaidekaphobia
12% of 24 decks
+12% synergy
Necromancy
12% of 24 decks
+9% synergy
Journey to Nowhere
12% of 34 decks
+11% synergy
Detention Sphere
12% of 34 decks
+11% synergy
Greater Auramancy
12% of 34 decks
+10% synergy
Sigil of the Empty Throne
12% of 34 decks
+8% synergy
Spiritual Asylum
11% of 35 decks
+11% synergy
Copy Enchantment
11% of 35 decks
+10% synergy
Karmic Justice
11% of 35 decks
+10% synergy
Paradox Haze
11% of 35 decks
+10% synergy
Aura of Silence
11% of 35 decks
+9% synergy
Training Grounds
11% of 35 decks
+9% synergy
Skybind
9% of 34 decks
+9% synergy
Rule of Law
9% of 34 decks
+7% synergy
Grasp of Fate
9% of 34 decks
+6% synergy
Darksteel Mutation
9% of 34 decks
+3% synergy
Lunar Force
9% of 35 decks
+9% synergy
Hive Mind
9% of 35 decks
+8% synergy
Dissipation Field
9% of 35 decks
+8% synergy
Hesitation
8% of 36 decks
+8% synergy
Second Chance
8% of 36 decks
+8% synergy
Collective Restraint
8% of 36 decks
+8% synergy
Planeswalkers
Garruk Relentless
28% of 18 decks
+27% synergy
Karn, the Great Creator
9% of 35 decks
+7% synergy
Utility Lands
Hall of Heliod's Generosity
24% of 34 decks
+17% synergy
Reliquary Tower
23% of 35 decks
-7% synergy
Boseiju, Who Endures
17% of 18 decks
-3% synergy
Cascading Cataracts
14% of 35 decks
+13% synergy
Ancient Tomb
14% of 36 decks
+3% synergy
Otawara, Soaring City
14% of 29 decks
-3% synergy
Eiganjo, Seat of the Empire
11% of 28 decks
+2% synergy
Yavimaya, Cradle of Growth
9% of 33 decks
-0% synergy
Serra's Sanctum
9% of 35 decks
+7% synergy
Mikokoro, Center of the Sea
9% of 35 decks
+7% synergy
Academy Ruins
9% of 35 decks
+4% synergy
Mystic Sanctuary
9% of 35 decks
-4% synergy
Temple of the False God
8% of 36 decks
-1% synergy
Mana Artifacts
Arcane Signet
86% of 35 decks
+14% synergy
Sol Ring
78% of 36 decks
-7% synergy
Chromatic Lantern
40% of 35 decks
+30% synergy
Fellwar Stone
33% of 36 decks
+12% synergy
Commander's Sphere
26% of 35 decks
+10% synergy
Azorius Signet
21% of 34 decks
-6% synergy
Mana Crypt
19% of 36 decks
+10% synergy
Izzet Signet
17% of 24 decks
-12% synergy
Talisman of Progress
15% of 34 decks
-8% synergy
Talisman of Creativity
12% of 24 decks
-16% synergy
Gilded Lotus
11% of 35 decks
+8% synergy
Mana Vault
11% of 36 decks
+5% synergy
Sol Talisman
9% of 33 decks
+8% synergy
Chromatic Orrery
9% of 35 decks
+7% synergy
Mox Opal
9% of 35 decks
+4% synergy
Thought Vessel
9% of 35 decks
-8% synergy
Basalt Monolith
8% of 36 decks
+6% synergy
Lotus Petal
8% of 36 decks
+2% synergy
Lands
Command Tower
91% of 35 decks
+18% synergy
Hallowed Fountain
62% of 34 decks
+21% synergy
Temple Garden
59% of 22 decks
+19% synergy
Breeding Pool
55% of 22 decks
+13% synergy
Godless Shrine
54% of 24 decks
+13% synergy
Watery Grave
54% of 24 decks
+13% synergy
Exotic Orchard
51% of 35 decks
+16% synergy
Flooded Strand
50% of 36 decks
+39% synergy
Steam Vents
50% of 24 decks
+11% synergy
Stomping Ground
50% of 18 decks
+9% synergy
Sacred Foundry
48% of 23 decks
+12% synergy
Blood Crypt
47% of 19 decks
+9% synergy
Overgrown Tomb
44% of 18 decks
+2% synergy
Raffine's Tower
40% of 20 decks
+12% synergy
Arid Mesa
37% of 35 decks
+26% synergy
Misty Rainforest
37% of 35 decks
+25% synergy
Polluted Delta
36% of 36 decks
+25% synergy
Jetmir's Garden
36% of 14 decks
+3% synergy
Spara's Headquarters
35% of 17 decks
+3% synergy
Raugrin Triome
35% of 23 decks
+8% synergy
Marsh Flats
34% of 35 decks
+23% synergy
Verdant Catacombs
34% of 35 decks
+23% synergy
City of Brass
33% of 36 decks
+25% synergy
Meticulous Archive
33% of 9 decks
+23% synergy
Windswept Heath
33% of 36 decks
+23% synergy
Mana Confluence
31% of 35 decks
+24% synergy
Scalding Tarn
31% of 35 decks
+20% synergy
Reflecting Pool
31% of 36 decks
+25% synergy
Zagoth Triome
28% of 18 decks
-3% synergy
Indatha Triome
28% of 18 decks
-3% synergy
Ketria Triome
28% of 18 decks
-5% synergy
Savannah
27% of 22 decks
+14% synergy
Tundra
26% of 35 decks
+12% synergy
Wooded Foothills
25% of 36 decks
+15% synergy
Bloodstained Mire
25% of 36 decks
+15% synergy
Scrubland
25% of 24 decks
+11% synergy
Underground Sea
25% of 24 decks
+11% synergy
Spectator Seating
23% of 22 decks
-2% synergy
Taiga
22% of 18 decks
+9% synergy
Plateau
22% of 23 decks
+9% synergy
Mystic Monastery
22% of 23 decks
-5% synergy
Ziatora's Proving Ground
21% of 14 decks
-11% synergy
Savai Triome
21% of 19 decks
-6% synergy
Volcanic Island
21% of 24 decks
+7% synergy
Sea of Clouds
21% of 34 decks
-5% synergy
Forbidden Orchard
20% of 35 decks
+17% synergy
Xander's Lounge
20% of 15 decks
-8% synergy
Tropical Island
18% of 22 decks
+4% synergy
Canopy Vista
18% of 22 decks
-18% synergy
Prairie Stream
18% of 34 decks
-16% synergy