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
25%inclusion186 decks736 decks
New Cards
Omni-Changeling
48%inclusion55 decks115 decks
46%synergy
Silvergill Peddler
14%inclusion16 decks114 decks
14%synergy
Mirrorform
14%inclusion16 decks117 decks
10%synergy
Pestered Wellguard
12%inclusion14 decks114 decks
12%synergy
Weather Maker
3.1%inclusion3 decks97 decks
3%synergy
High Synergy Cards
Wormfang Newt
97%inclusion180 decks186 decks
97%synergy
Clever Impersonator
94%inclusion175 decks186 decks
88%synergy
Mirror Image
88%inclusion164 decks186 decks
86%synergy
Stunt Double
85%inclusion159 decks186 decks
83%synergy
Waxen Shapethief
84%inclusion156 decks186 decks
83%synergy
Naga Fleshcrafter
84%inclusion157 decks186 decks
83%synergy
Clone
85%inclusion158 decks186 decks
82%synergy
Ruin Crab
87%inclusion162 decks186 decks
79%synergy
Vesuva
80%inclusion149 decks186 decks
79%synergy
Phyrexian Metamorph
96%inclusion179 decks186 decks
77%synergy
Top Cards
Sapphire Medallion
81%inclusion151 decks186 decks
23%synergy
Hedron Crab
81%inclusion150 decks186 decks
75%synergy
Phantasmal Image
81%inclusion150 decks186 decks
75%synergy
Mirrorhall Mimic
79%inclusion147 decks186 decks
77%synergy
Vizier of Many Faces
78%inclusion145 decks186 decks
76%synergy
Fallowsage
76%inclusion142 decks186 decks
76%synergy
River Kelpie
76%inclusion142 decks186 decks
75%synergy
Copycrook
71%inclusion132 decks186 decks
70%synergy
Roil Elemental
69%inclusion129 decks186 decks
68%synergy
Defiler of Dreams
65%inclusion121 decks186 decks
57%synergy
Game Changers
Cyclonic Rift
17%inclusion32 decks186 decks
-16%synergy
Rhystic Study
13%inclusion25 decks186 decks
-19%synergy
Fierce Guardianship
12%inclusion23 decks186 decks
-11%synergy
Consecrated Sphinx
11%inclusion21 decks186 decks
-1%synergy
Force of Will
5.9%inclusion11 decks186 decks
-11%synergy
Creatures
Glasspool Mimic
77%inclusion143 decks186 decks
71%synergy
Visage Bandit
65%inclusion120 decks186 decks
64%synergy
Matoya, Archon Elder
64%inclusion119 decks186 decks
63%synergy
Gigantoplasm
58%inclusion107 decks186 decks
57%synergy
Platinum Angel
56%inclusion104 decks186 decks
54%synergy
Wall of Stolen Identity
55%inclusion103 decks186 decks
55%synergy
Tui and La, Moon and Ocean
50%inclusion93 decks186 decks
48%synergy
Hulking Metamorph
48%inclusion90 decks186 decks
47%synergy
Homunculus Horde
47%inclusion88 decks186 decks
40%synergy
Wonderscape Sage
42%inclusion78 decks186 decks
41%synergy
Ghostly Pilferer
42%inclusion78 decks186 decks
38%synergy
Surgespanner
35%inclusion65 decks186 decks
34%synergy
Tiller Engine
34%inclusion64 decks186 decks
34%synergy
Nanoform Sentinel
34%inclusion64 decks186 decks
33%synergy
Hullbreaker Horror
34%inclusion63 decks186 decks
9%synergy
Glen Elendra Archmage
33%inclusion62 decks186 decks
31%synergy
Arbiter of the Ideal
32%inclusion60 decks186 decks
31%synergy
Faerie Mastermind
31%inclusion58 decks186 decks
17%synergy
Mechan Navigator
30%inclusion56 decks186 decks
29%synergy
Stormtide Leviathan
30%inclusion55 decks186 decks
23%synergy
Flesh Duplicate
28%inclusion53 decks186 decks
27%synergy
Roil Cartographer
27%inclusion51 decks186 decks
27%synergy
Astral Dragon
27%inclusion51 decks186 decks
25%synergy
Hydroelectric Specimen
27%inclusion51 decks186 decks
14%synergy
Kitesail Larcenist
25%inclusion47 decks186 decks
24%synergy
Sakashima's Student
24%inclusion44 decks186 decks
23%synergy
Wandering Archaic
23%inclusion43 decks186 decks
21%synergy
Meloku the Clouded Mirror
23%inclusion43 decks186 decks
21%synergy
Laboratory Maniac
22%inclusion41 decks186 decks
3%synergy
Cosima, God of the Voyage
22%inclusion40 decks186 decks
20%synergy
Renegade Doppelganger
20%inclusion38 decks186 decks
20%synergy
Scaretiller
20%inclusion38 decks186 decks
20%synergy
Silent Arbiter
19%inclusion36 decks186 decks
16%synergy
Spark Double
19%inclusion36 decks186 decks
6%synergy
Aboleth Spawn
18%inclusion34 decks186 decks
17%synergy
Platinum Emperion
18%inclusion33 decks186 decks
16%synergy
Tideforce Elemental
17%inclusion32 decks186 decks
17%synergy
Vesuvan Shapeshifter
17%inclusion31 decks186 decks
16%synergy
Grappling Kraken
15%inclusion28 decks186 decks
14%synergy
PuPu UFO
14%inclusion26 decks186 decks
11%synergy
Gran-Gran
13%inclusion25 decks186 decks
12%synergy
Mercurial Pretender
13%inclusion24 decks186 decks
13%synergy
Sphinx's Disciple
11%inclusion21 decks186 decks
11%synergy
Synth Infiltrator
11%inclusion21 decks186 decks
10%synergy
Loyal Drake
11%inclusion20 decks186 decks
7%synergy
Starfield Vocalist
10%inclusion18 decks186 decks
7%synergy
Walking Atlas
9.1%inclusion17 decks186 decks
5%synergy
Emrakul's Messenger
9.1%inclusion17 decks186 decks
4%synergy
Mockingbird
8.6%inclusion16 decks186 decks
5%synergy
Nardole, Resourceful Cyborg
8.1%inclusion15 decks186 decks
8%synergy
Instants
Ghostly Flicker
62%inclusion116 decks186 decks
51%synergy
Frantic Search
57%inclusion106 decks186 decks
27%synergy
Counterspell
56%inclusion105 decks186 decks
-10%synergy
Rapid Hybridization
50%inclusion93 decks186 decks
15%synergy
Pongify
48%inclusion90 decks186 decks
8%synergy
Unwind
42%inclusion78 decks186 decks
32%synergy
Sink into Stupor
41%inclusion77 decks186 decks
20%synergy
An Offer You Can't Refuse
39%inclusion72 decks186 decks
1%synergy
Aetherize
35%inclusion66 decks186 decks
6%synergy
Snap
34%inclusion63 decks186 decks
15%synergy
Consult the Star Charts
31%inclusion58 decks186 decks
27%synergy
Arcane Denial
28%inclusion53 decks186 decks
-8%synergy
Rewind
24%inclusion44 decks186 decks
11%synergy
Evacuation
22%inclusion41 decks186 decks
14%synergy
Negate
22%inclusion41 decks186 decks
-16%synergy
Muddle the Mixture
22%inclusion40 decks186 decks
6%synergy
Brainstorm
19%inclusion36 decks186 decks
-22%synergy
Reality Shift
19%inclusion35 decks186 decks
-8%synergy
High Tide
19%inclusion35 decks186 decks
-25%synergy
Teferi's Time Twist
18%inclusion33 decks186 decks
13%synergy
Resculpt
15%inclusion27 decks186 decks
-3%synergy
Swan Song
14%inclusion26 decks186 decks
-13%synergy
Mana Drain
12%inclusion23 decks186 decks
-15%synergy
Deprive
11%inclusion20 decks186 decks
10%synergy
Opt
10%inclusion19 decks186 decks
-15%synergy
Blue Sun's Zenith
10%inclusion18 decks186 decks
-2%synergy
Jwari Disruption
8.6%inclusion16 decks186 decks
4%synergy
Three Steps Ahead
8.6%inclusion16 decks186 decks
-1%synergy
Into the Flood Maw
8.1%inclusion15 decks186 decks
2%synergy
Flare of Denial
8.1%inclusion15 decks186 decks
1%synergy
Narset's Reversal
8.1%inclusion15 decks186 decks
-4%synergy
Long-Term Plans
7.0%inclusion13 decks186 decks
4%synergy
Engulf the Shore
6.5%inclusion12 decks186 decks
-2%synergy
Pull from Tomorrow
6.5%inclusion12 decks186 decks
-3%synergy
Fleeting Reflection
5.9%inclusion11 decks186 decks
5%synergy
Filter Out
5.9%inclusion11 decks186 decks
2%synergy
Force of Negation
5.4%inclusion10 decks186 decks
-10%synergy
Sorceries
Consuming Tide
54%inclusion100 decks186 decks
50%synergy
Devastation Tide
51%inclusion95 decks186 decks
48%synergy
Season of Weaving
25%inclusion46 decks186 decks
19%synergy
Coastal Breach
21%inclusion39 decks186 decks
20%synergy
Relm's Sketching
15%inclusion28 decks186 decks
12%synergy
Sea Gate Restoration
15%inclusion28 decks186 decks
0%synergy
Ponder
14%inclusion26 decks186 decks
-16%synergy
Finale of Revelation
13%inclusion24 decks186 decks
6%synergy
Preordain
12%inclusion23 decks186 decks
-11%synergy
Lórien Revealed
11%inclusion20 decks186 decks
2%synergy
Flood of Tears
9.1%inclusion17 decks186 decks
6%synergy
Windfall
9.1%inclusion17 decks186 decks
-13%synergy
Sakashima's Will
8.1%inclusion15 decks186 decks
7%synergy
Bribery
8.1%inclusion15 decks186 decks
4%synergy
Fabricate
8.1%inclusion15 decks186 decks
-13%synergy
Curse of the Swine
6.5%inclusion12 decks186 decks
-5%synergy
Utility Artifacts
Planetarium of Wan Shi Tong
45%inclusion83 decks186 decks
42%synergy
The Water Crystal
39%inclusion73 decks186 decks
29%synergy
Kefnet's Monument
37%inclusion69 decks186 decks
31%synergy
Blade of Shared Souls
34%inclusion64 decks186 decks
34%synergy
Mirage Mirror
33%inclusion61 decks186 decks
29%synergy
Nevinyrral's Disk
30%inclusion56 decks186 decks
28%synergy
Altar of the Brood
30%inclusion55 decks186 decks
26%synergy
Amulet of Vigor
28%inclusion53 decks186 decks
28%synergy
Zuran Orb
22%inclusion41 decks186 decks
21%synergy
Boompile
20%inclusion38 decks186 decks
20%synergy
Waterbending Scroll
18%inclusion34 decks186 decks
9%synergy
Wayfarer's Bauble
18%inclusion33 decks186 decks
0%synergy
Manascape Refractor
13%inclusion24 decks186 decks
13%synergy
Mirror of the Forebears
12%inclusion23 decks186 decks
12%synergy
Swiftfoot Boots
12%inclusion23 decks186 decks
-16%synergy
Desecrated Tomb
10%inclusion19 decks186 decks
10%synergy
The Temporal Anchor
8.6%inclusion16 decks186 decks
8%synergy
Lightning Greaves
8.6%inclusion16 decks186 decks
-18%synergy
Cloudstone Curio
5.9%inclusion11 decks186 decks
5%synergy
The Regalia
5.4%inclusion10 decks186 decks
4%synergy
Enchantments
Copy Land
61%inclusion113 decks186 decks
60%synergy
Imprisoned in the Moon
58%inclusion108 decks186 decks
46%synergy
Retreat to Coralhelm
56%inclusion104 decks186 decks
53%synergy
Propaganda
43%inclusion80 decks186 decks
13%synergy
Metamorphic Alteration
25%inclusion46 decks186 decks
24%synergy
Trade Routes
16%inclusion30 decks186 decks
15%synergy
Mystic Remora
15%inclusion27 decks186 decks
-12%synergy
Wind Zendikon
8.1%inclusion15 decks186 decks
8%synergy
Leyline of Anticipation
8.1%inclusion15 decks186 decks
-1%synergy
Dissipation Field
7.5%inclusion14 decks186 decks
4%synergy
Lost Isle Calling
6.5%inclusion12 decks186 decks
6%synergy
Mirrormade
5.9%inclusion11 decks186 decks
0%synergy
Planeswalkers
Jace, Wielder of Mysteries
15%inclusion28 decks186 decks
0%synergy
Teferi, Master of Time
5.9%inclusion11 decks186 decks
1%synergy
Utility Lands
Thespian's Stage
77%inclusion144 decks186 decks
75%synergy
Mystic Sanctuary
53%inclusion99 decks186 decks
3%synergy
Guildless Commons
51%inclusion95 decks186 decks
49%synergy
Arid Archway
50%inclusion93 decks186 decks
49%synergy
Reliquary Tower
45%inclusion84 decks186 decks
-11%synergy
Deserted Temple
41%inclusion76 decks186 decks
40%synergy
Nykthos, Shrine to Nyx
31%inclusion57 decks186 decks
14%synergy
Castle Vantress
28%inclusion53 decks186 decks
10%synergy
Otawara, Soaring City
27%inclusion51 decks186 decks
2%synergy
War Room
22%inclusion40 decks186 decks
6%synergy
Rivendell
21%inclusion39 decks186 decks
10%synergy
Urza's Saga
18%inclusion33 decks186 decks
1%synergy
Temple of the False God
17%inclusion31 decks186 decks
7%synergy
Agna Qel'a
16%inclusion29 decks186 decks
8%synergy
Scavenger Grounds
15%inclusion28 decks186 decks
8%synergy
Tolaria West
15%inclusion27 decks186 decks
9%synergy
Minamo, School at Water's Edge
11%inclusion20 decks186 decks
-2%synergy
Terrain Generator
10%inclusion19 decks186 decks
2%synergy
Dark Depths
9.1%inclusion17 decks186 decks
8%synergy
Lonely Sandbar
7.5%inclusion14 decks186 decks
-6%synergy
Coral Atoll
7.0%inclusion13 decks186 decks
3%synergy
Maze of Ith
5.9%inclusion11 decks186 decks
1%synergy
Mistrise Village
5.9%inclusion11 decks186 decks
-3%synergy
Mana Artifacts
Sol Ring
85%inclusion158 decks186 decks
0%synergy
Arcane Signet
67%inclusion124 decks186 decks
2%synergy
Machine God's Effigy
46%inclusion86 decks186 decks
43%synergy
Thought Vessel
42%inclusion78 decks186 decks
-10%synergy
Mind Stone
25%inclusion46 decks186 decks
-11%synergy
Sky Diamond
18%inclusion33 decks186 decks
-5%synergy
Fellwar Stone
17%inclusion32 decks186 decks
-3%synergy
Midnight Clock
15%inclusion27 decks186 decks
-6%synergy
Throne of Eldraine
9.1%inclusion17 decks186 decks
0%synergy
Springleaf Drum
8.1%inclusion15 decks186 decks
5%synergy
Liquimetal Torque
7.0%inclusion13 decks186 decks
0%synergy
Moonsnare Prototype
5.9%inclusion11 decks186 decks
4%synergy
Bender's Waterskin
5.9%inclusion11 decks186 decks
-4%synergy
Lands
Myriad Landscape
21%inclusion39 decks186 decks
-5%synergy
Urza's Cave
19%inclusion36 decks186 decks
15%synergy
Demolition Field
10%inclusion18 decks186 decks
4%synergy
Fabled Passage
9.1%inclusion17 decks186 decks
6%synergy
Flooded Strand
8.1%inclusion15 decks186 decks
0%synergy
Polluted Delta
7.5%inclusion14 decks186 decks
-1%synergy
Conduit Pylons
7.0%inclusion13 decks186 decks
6%synergy
Talon Gates of Madara
7.0%inclusion13 decks186 decks
3%synergy
Scalding Tarn
7.0%inclusion13 decks186 decks
-1%synergy
Misty Rainforest
7.0%inclusion13 decks186 decks
-1%synergy
Crystal Grotto
6.5%inclusion12 decks186 decks
5%synergy
Terramorphic Expanse
5.4%inclusion10 decks186 decks
2%synergy
Prismatic Vista
5.4%inclusion10 decks186 decks
1%synergy