Princess Yue
Wormfang Turtle
Undercover Operative

   Prerequisites

What do I need to start this combo?
Undercover Operative in hand.
Princess Yue and Wormfang Turtle on the battlefield (Princess Yue is not a land on the battlefield).

   Steps

How does this combo work?
1
Cast Undercover Operative by paying its mana cost. Choose to have it enter as a copy of Princess Yue.
2
Put Undercover Operative into your graveyard due to the legend rule.
3
When Undercover Operative dies, it triggers, returning it from your graveyard to the battlefield as a land named Moon. Choose to have it enter as a copy of Wormfang Turtle, gaining its abilities.
4
When Undercover Operative enters, its first ability triggers, exiling it.
5
When Undercover Operative leaves the battlefield, its second ability triggers, returning Undercover Operative from exile to the battlefield. Choose to have it enter as a copy of Princess Yue.
6
Repeat from step 2.

   Results

What do I get from this combo?
Infinite ETB
Infinite LTB
Infinite death triggers
Infinite landfall triggers
Princess Yue
27%inclusion259 decks977 decks
General Tazri
0.1%inclusion1 decks1.59K decks
Momir Vig, Simic Visionary
0.2%inclusion1 decks571 decks
New Cards
Harmonized Trio
6.1%inclusion2 decks33 decks
5%synergy
Weather Maker
5.7%inclusion10 decks176 decks
5%synergy
Pensive Professor
5.0%inclusion2 decks40 decks
5%synergy
Irma, Part-Time Mutant
1.4%inclusion2 decks145 decks
-1%synergy
Mathemagics
0.6%inclusion1 decks167 decks
0%synergy
High Synergy Cards
Wormfang Newt
97%inclusion253 decks261 decks
97%synergy
Clever Impersonator
94%inclusion245 decks261 decks
91%synergy
Phyrexian Metamorph
97%inclusion252 decks261 decks
89%synergy
Mirror Image
87%inclusion228 decks261 decks
87%synergy
Ruin Crab
87%inclusion227 decks261 decks
85%synergy
Naga Fleshcrafter
85%inclusion222 decks261 decks
84%synergy
Stunt Double
83%inclusion217 decks261 decks
82%synergy
Clone
82%inclusion214 decks261 decks
81%synergy
Waxen Shapethief
81%inclusion212 decks261 decks
81%synergy
Hedron Crab
81%inclusion212 decks261 decks
79%synergy
Top Cards
Vizier of Many Faces
79%inclusion207 decks261 decks
79%synergy
Mirrorhall Mimic
79%inclusion207 decks261 decks
78%synergy
Phantasmal Image
79%inclusion206 decks261 decks
77%synergy
Sapphire Medallion
78%inclusion203 decks261 decks
75%synergy
River Kelpie
76%inclusion199 decks261 decks
75%synergy
Fallowsage
75%inclusion195 decks261 decks
74%synergy
Copycrook
72%inclusion188 decks261 decks
72%synergy
Defiler of Dreams
67%inclusion176 decks261 decks
67%synergy
Roil Elemental
66%inclusion173 decks261 decks
65%synergy
Visage Bandit
64%inclusion167 decks261 decks
64%synergy
Game Changers
Cyclonic Rift
15%inclusion39 decks261 decks
-7%synergy
Rhystic Study
15%inclusion38 decks261 decks
-9%synergy
Consecrated Sphinx
13%inclusion34 decks261 decks
9%synergy
Fierce Guardianship
12%inclusion31 decks261 decks
-6%synergy
Creatures
Glasspool Mimic
74%inclusion192 decks261 decks
71%synergy
Matoya, Archon Elder
64%inclusion166 decks261 decks
63%synergy
Gigantoplasm
58%inclusion152 decks261 decks
58%synergy
Wall of Stolen Identity
58%inclusion151 decks261 decks
57%synergy
Platinum Angel
56%inclusion147 decks261 decks
55%synergy
Omni-Changeling
55%inclusion107 decks193 decks
54%synergy
Tui and La, Moon and Ocean
51%inclusion134 decks261 decks
51%synergy
Hulking Metamorph
50%inclusion131 decks261 decks
50%synergy
Ghostly Pilferer
46%inclusion121 decks261 decks
44%synergy
Homunculus Horde
46%inclusion120 decks261 decks
44%synergy
Wonderscape Sage
44%inclusion116 decks261 decks
44%synergy
Surgespanner
36%inclusion95 decks261 decks
36%synergy
Faerie Mastermind
35%inclusion91 decks261 decks
28%synergy
Glen Elendra Archmage
34%inclusion89 decks261 decks
32%synergy
Arbiter of the Ideal
33%inclusion86 decks261 decks
33%synergy
Nanoform Sentinel
32%inclusion83 decks261 decks
32%synergy
Kitesail Larcenist
31%inclusion81 decks261 decks
30%synergy
Hullbreaker Horror
31%inclusion81 decks261 decks
23%synergy
Tiller Engine
31%inclusion80 decks261 decks
30%synergy
Mechan Navigator
30%inclusion78 decks261 decks
30%synergy
Flesh Duplicate
29%inclusion76 decks261 decks
28%synergy
Astral Dragon
29%inclusion76 decks261 decks
28%synergy
Roil Cartographer
28%inclusion73 decks261 decks
27%synergy
Hydroelectric Specimen
28%inclusion73 decks261 decks
24%synergy
Stormtide Leviathan
27%inclusion70 decks261 decks
26%synergy
Sakashima's Student
26%inclusion67 decks261 decks
25%synergy
Tideforce Elemental
22%inclusion58 decks261 decks
22%synergy
Renegade Doppelganger
21%inclusion56 decks261 decks
21%synergy
Cosima, God of the Voyage
21%inclusion56 decks261 decks
21%synergy
Scaretiller
21%inclusion55 decks261 decks
21%synergy
Meloku the Clouded Mirror
20%inclusion53 decks261 decks
20%synergy
Wandering Archaic
20%inclusion53 decks261 decks
19%synergy
Laboratory Maniac
19%inclusion50 decks261 decks
14%synergy
Silent Arbiter
18%inclusion48 decks261 decks
17%synergy
Spark Double
17%inclusion45 decks261 decks
11%synergy
Vesuvan Shapeshifter
17%inclusion44 decks261 decks
16%synergy
Aboleth Spawn
17%inclusion44 decks261 decks
16%synergy
Gran-Gran
16%inclusion43 decks261 decks
16%synergy
PuPu UFO
16%inclusion41 decks261 decks
15%synergy
Platinum Emperion
15%inclusion40 decks261 decks
15%synergy
Grappling Kraken
15%inclusion39 decks261 decks
14%synergy
Synth Infiltrator
13%inclusion35 decks261 decks
13%synergy
Walking Atlas
12%inclusion32 decks261 decks
12%synergy
Loyal Drake
12%inclusion32 decks261 decks
12%synergy
Silvergill Peddler
12%inclusion23 decks192 decks
12%synergy
Pestered Wellguard
11%inclusion22 decks192 decks
11%synergy
Sphinx's Disciple
11%inclusion28 decks261 decks
11%synergy
Mercurial Pretender
11%inclusion28 decks261 decks
11%synergy
Emrakul's Messenger
10%inclusion26 decks261 decks
9%synergy
The Unagi of Kyoshi Island
10%inclusion25 decks261 decks
8%synergy
Instants
Ghostly Flicker
62%inclusion163 decks261 decks
58%synergy
Counterspell
56%inclusion147 decks261 decks
15%synergy
Frantic Search
54%inclusion140 decks261 decks
39%synergy
Rapid Hybridization
48%inclusion124 decks261 decks
38%synergy
Pongify
44%inclusion114 decks261 decks
32%synergy
Unwind
39%inclusion103 decks261 decks
37%synergy
Sink into Stupor
39%inclusion103 decks261 decks
29%synergy
An Offer You Can't Refuse
35%inclusion92 decks261 decks
10%synergy
Aetherize
34%inclusion88 decks261 decks
27%synergy
Consult the Star Charts
33%inclusion85 decks261 decks
31%synergy
Snap
30%inclusion77 decks261 decks
22%synergy
Arcane Denial
27%inclusion71 decks261 decks
7%synergy
Rewind
23%inclusion61 decks261 decks
20%synergy
Negate
23%inclusion60 decks261 decks
2%synergy
Muddle the Mixture
22%inclusion57 decks261 decks
18%synergy
Evacuation
20%inclusion53 decks261 decks
18%synergy
Reality Shift
20%inclusion53 decks261 decks
12%synergy
Brainstorm
20%inclusion52 decks261 decks
2%synergy
Teferi's Time Twist
20%inclusion51 decks261 decks
18%synergy
High Tide
18%inclusion48 decks261 decks
15%synergy
Resculpt
17%inclusion45 decks261 decks
14%synergy
Mirrorform
17%inclusion33 decks195 decks
16%synergy
Swan Song
16%inclusion41 decks261 decks
-2%synergy
Mana Drain
11%inclusion28 decks261 decks
-4%synergy
Deprive
10%inclusion25 decks261 decks
9%synergy
Long-Term Plans
10%inclusion25 decks261 decks
9%synergy
Opt
10%inclusion25 decks261 decks
0%synergy
Blue Sun's Zenith
9.2%inclusion24 decks261 decks
7%synergy
Jwari Disruption
8.4%inclusion22 decks261 decks
7%synergy
Three Steps Ahead
7.7%inclusion20 decks261 decks
5%synergy
Narset's Reversal
7.7%inclusion20 decks261 decks
4%synergy
Filter Out
7.3%inclusion19 decks261 decks
7%synergy
Into the Flood Maw
7.3%inclusion19 decks261 decks
4%synergy
Fleeting Reflection
6.5%inclusion17 decks261 decks
6%synergy
Engulf the Shore
6.5%inclusion17 decks261 decks
6%synergy
Flare of Denial
6.1%inclusion16 decks261 decks
4%synergy
Council's Deliberation
5.4%inclusion14 decks261 decks
5%synergy
Sorceries
Consuming Tide
54%inclusion141 decks261 decks
53%synergy
Devastation Tide
53%inclusion138 decks261 decks
52%synergy
Season of Weaving
24%inclusion62 decks261 decks
22%synergy
Coastal Breach
22%inclusion57 decks261 decks
22%synergy
Relm's Sketching
17%inclusion45 decks261 decks
16%synergy
Sea Gate Restoration
16%inclusion41 decks261 decks
12%synergy
Ponder
14%inclusion36 decks261 decks
2%synergy
Preordain
13%inclusion33 decks261 decks
4%synergy
Lórien Revealed
12%inclusion32 decks261 decks
10%synergy
Flood of Tears
11%inclusion29 decks261 decks
10%synergy
Finale of Revelation
11%inclusion28 decks261 decks
8%synergy
Windfall
11%inclusion28 decks261 decks
-1%synergy
Sakashima's Will
8.4%inclusion22 decks261 decks
8%synergy
Bribery
8.0%inclusion21 decks261 decks
7%synergy
Fabricate
7.7%inclusion20 decks261 decks
2%synergy
Curse of the Swine
5.7%inclusion15 decks261 decks
2%synergy
Stock Up
5.4%inclusion14 decks261 decks
4%synergy
Utility Artifacts
Planetarium of Wan Shi Tong
46%inclusion119 decks261 decks
45%synergy
Blade of Shared Souls
38%inclusion99 decks261 decks
38%synergy
Kefnet's Monument
37%inclusion97 decks261 decks
37%synergy
The Water Crystal
36%inclusion95 decks261 decks
34%synergy
Altar of the Brood
31%inclusion80 decks261 decks
30%synergy
Nevinyrral's Disk
30%inclusion78 decks261 decks
29%synergy
Mirage Mirror
30%inclusion78 decks261 decks
29%synergy
Amulet of Vigor
28%inclusion72 decks261 decks
26%synergy
Boompile
25%inclusion64 decks261 decks
24%synergy
Zuran Orb
20%inclusion51 decks261 decks
18%synergy
Waterbending Scroll
17%inclusion44 decks261 decks
16%synergy
Wayfarer's Bauble
17%inclusion44 decks261 decks
10%synergy
Manascape Refractor
11%inclusion30 decks261 decks
11%synergy
Swiftfoot Boots
10%inclusion27 decks261 decks
-17%synergy
Mirror of the Forebears
10%inclusion25 decks261 decks
9%synergy
Desecrated Tomb
8.4%inclusion22 decks261 decks
8%synergy
Lightning Greaves
8.4%inclusion22 decks261 decks
-16%synergy
The Temporal Anchor
6.9%inclusion18 decks261 decks
7%synergy
Cloudstone Curio
6.1%inclusion16 decks261 decks
5%synergy
The Regalia
5.4%inclusion14 decks261 decks
5%synergy
Enchantments
Copy Land
63%inclusion164 decks261 decks
62%synergy
Retreat to Coralhelm
57%inclusion150 decks261 decks
56%synergy
Imprisoned in the Moon
55%inclusion143 decks261 decks
51%synergy
Propaganda
39%inclusion102 decks261 decks
25%synergy
Metamorphic Alteration
28%inclusion72 decks261 decks
27%synergy
Trade Routes
18%inclusion46 decks261 decks
17%synergy
Mystic Remora
17%inclusion45 decks261 decks
1%synergy
Wind Zendikon
10%inclusion25 decks261 decks
10%synergy
Leyline of Anticipation
8.8%inclusion23 decks261 decks
5%synergy
Dissipation Field
7.7%inclusion20 decks261 decks
7%synergy
Mirrormade
5.4%inclusion14 decks261 decks
3%synergy
Planeswalkers
Jace, Wielder of Mysteries
11%inclusion30 decks261 decks
9%synergy
Utility Lands
Vesuva
80%inclusion208 decks261 decks
78%synergy
Thespian's Stage
79%inclusion206 decks261 decks
76%synergy
Guildless Commons
55%inclusion143 decks261 decks
54%synergy
Mystic Sanctuary
53%inclusion139 decks261 decks
43%synergy
Arid Archway
52%inclusion137 decks261 decks
51%synergy
Reliquary Tower
40%inclusion104 decks261 decks
10%synergy
Deserted Temple
38%inclusion100 decks261 decks
37%synergy
Nykthos, Shrine to Nyx
28%inclusion74 decks261 decks
23%synergy
Otawara, Soaring City
26%inclusion67 decks261 decks
9%synergy
Castle Vantress
25%inclusion65 decks261 decks
22%synergy
War Room
19%inclusion49 decks261 decks
13%synergy
Rivendell
18%inclusion48 decks261 decks
15%synergy
Scavenger Grounds
17%inclusion44 decks261 decks
13%synergy
Urza's Saga
16%inclusion43 decks261 decks
10%synergy
Temple of the False God
16%inclusion43 decks261 decks
8%synergy
Tolaria West
15%inclusion40 decks261 decks
14%synergy
Agna Qel'a
14%inclusion36 decks261 decks
11%synergy
Terrain Generator
10%inclusion25 decks261 decks
9%synergy
Minamo, School at Water's Edge
8.8%inclusion23 decks261 decks
4%synergy
Lonely Sandbar
8.4%inclusion22 decks261 decks
6%synergy
Dark Depths
8.0%inclusion21 decks261 decks
7%synergy
Coral Atoll
6.1%inclusion16 decks261 decks
6%synergy
Mistrise Village
6.1%inclusion16 decks261 decks
-2%synergy
Mana Artifacts
Sol Ring
83%inclusion217 decks261 decks
0%synergy
Arcane Signet
66%inclusion171 decks261 decks
-7%synergy
Machine God's Effigy
45%inclusion118 decks261 decks
44%synergy
Thought Vessel
39%inclusion101 decks261 decks
21%synergy
Mind Stone
23%inclusion59 decks261 decks
8%synergy
Fellwar Stone
18%inclusion47 decks261 decks
-2%synergy
Sky Diamond
17%inclusion44 decks261 decks
13%synergy
Midnight Clock
14%inclusion37 decks261 decks
10%synergy
Springleaf Drum
8.4%inclusion22 decks261 decks
6%synergy
Throne of Eldraine
7.7%inclusion20 decks261 decks
6%synergy
Liquimetal Torque
7.7%inclusion20 decks261 decks
5%synergy
Moonsnare Prototype
7.3%inclusion19 decks261 decks
7%synergy
Sceptre of Eternal Glory
5.7%inclusion15 decks261 decks
5%synergy
Bender's Waterskin
5.7%inclusion15 decks261 decks
3%synergy
Lands
Myriad Landscape
21%inclusion55 decks261 decks
6%synergy
Urza's Cave
18%inclusion46 decks261 decks
15%synergy
Demolition Field
11%inclusion28 decks261 decks
8%synergy
Flooded Strand
10%inclusion27 decks261 decks
-1%synergy
Polluted Delta
9.2%inclusion24 decks261 decks
-3%synergy
Conduit Pylons
8.8%inclusion23 decks261 decks
8%synergy
Scalding Tarn
8.4%inclusion22 decks261 decks
-2%synergy
Misty Rainforest
8.4%inclusion22 decks261 decks
-3%synergy
Crystal Grotto
8.0%inclusion21 decks261 decks
7%synergy
Fabled Passage
8.0%inclusion21 decks261 decks
-2%synergy
Talon Gates of Madara
7.3%inclusion19 decks261 decks
5%synergy
Rumble Arena
6.9%inclusion18 decks261 decks
6%synergy
Survivors' Encampment
6.5%inclusion17 decks261 decks
6%synergy
The Grey Havens
6.5%inclusion17 decks261 decks
5%synergy
Holdout Settlement
5.4%inclusion14 decks261 decks
5%synergy