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%inclusion219 decks883 decks
New Cards
Weather Maker
3.0%inclusion4 decks134 decks
2%synergy
Irma, Part-Time Mutant
1.0%inclusion1 decks102 decks
-2%synergy
Turtles in Time
0.7%inclusion1 decks134 decks
1%synergy
High Synergy Cards
Wormfang Newt
97%inclusion212 decks219 decks
97%synergy
Clever Impersonator
94%inclusion206 decks219 decks
88%synergy
Mirror Image
86%inclusion188 decks219 decks
84%synergy
Naga Fleshcrafter
84%inclusion184 decks219 decks
82%synergy
Waxen Shapethief
83%inclusion181 decks219 decks
81%synergy
Stunt Double
83%inclusion182 decks219 decks
81%synergy
Clone
83%inclusion181 decks219 decks
80%synergy
Vesuva
80%inclusion176 decks219 decks
79%synergy
Ruin Crab
87%inclusion190 decks219 decks
79%synergy
Phyrexian Metamorph
97%inclusion212 decks219 decks
78%synergy
Top Cards
Hedron Crab
81%inclusion178 decks219 decks
76%synergy
Phantasmal Image
79%inclusion174 decks219 decks
74%synergy
Sapphire Medallion
79%inclusion173 decks219 decks
20%synergy
Vizier of Many Faces
78%inclusion171 decks219 decks
76%synergy
Mirrorhall Mimic
78%inclusion171 decks219 decks
76%synergy
River Kelpie
74%inclusion163 decks219 decks
73%synergy
Fallowsage
73%inclusion160 decks219 decks
72%synergy
Copycrook
71%inclusion155 decks219 decks
70%synergy
Roil Elemental
67%inclusion147 decks219 decks
65%synergy
Defiler of Dreams
65%inclusion143 decks219 decks
57%synergy
Game Changers
Rhystic Study
16%inclusion34 decks219 decks
-17%synergy
Cyclonic Rift
16%inclusion34 decks219 decks
-18%synergy
Fierce Guardianship
13%inclusion29 decks219 decks
-10%synergy
Consecrated Sphinx
12%inclusion27 decks219 decks
0%synergy
Force of Will
5.5%inclusion12 decks219 decks
-11%synergy
Creatures
Glasspool Mimic
74%inclusion163 decks219 decks
68%synergy
Visage Bandit
64%inclusion141 decks219 decks
64%synergy
Matoya, Archon Elder
64%inclusion140 decks219 decks
63%synergy
Gigantoplasm
58%inclusion128 decks219 decks
58%synergy
Wall of Stolen Identity
57%inclusion124 decks219 decks
56%synergy
Platinum Angel
57%inclusion124 decks219 decks
54%synergy
Omni-Changeling
52%inclusion78 decks151 decks
49%synergy
Tui and La, Moon and Ocean
51%inclusion111 decks219 decks
49%synergy
Hulking Metamorph
50%inclusion109 decks219 decks
48%synergy
Homunculus Horde
48%inclusion105 decks219 decks
41%synergy
Wonderscape Sage
44%inclusion97 decks219 decks
44%synergy
Ghostly Pilferer
44%inclusion96 decks219 decks
40%synergy
Surgespanner
37%inclusion81 decks219 decks
36%synergy
Nanoform Sentinel
35%inclusion76 decks219 decks
34%synergy
Tiller Engine
34%inclusion74 decks219 decks
33%synergy
Hullbreaker Horror
34%inclusion74 decks219 decks
9%synergy
Glen Elendra Archmage
33%inclusion73 decks219 decks
31%synergy
Arbiter of the Ideal
32%inclusion71 decks219 decks
32%synergy
Faerie Mastermind
32%inclusion71 decks219 decks
18%synergy
Mechan Navigator
31%inclusion67 decks219 decks
30%synergy
Flesh Duplicate
30%inclusion65 decks219 decks
28%synergy
Kitesail Larcenist
29%inclusion64 decks219 decks
28%synergy
Stormtide Leviathan
29%inclusion64 decks219 decks
22%synergy
Roil Cartographer
28%inclusion62 decks219 decks
28%synergy
Astral Dragon
28%inclusion61 decks219 decks
26%synergy
Hydroelectric Specimen
27%inclusion60 decks219 decks
14%synergy
Sakashima's Student
24%inclusion52 decks219 decks
23%synergy
Renegade Doppelganger
22%inclusion49 decks219 decks
22%synergy
Meloku the Clouded Mirror
22%inclusion49 decks219 decks
20%synergy
Cosima, God of the Voyage
22%inclusion48 decks219 decks
21%synergy
Wandering Archaic
21%inclusion47 decks219 decks
19%synergy
Scaretiller
21%inclusion46 decks219 decks
20%synergy
Laboratory Maniac
21%inclusion46 decks219 decks
2%synergy
Tideforce Elemental
20%inclusion44 decks219 decks
20%synergy
Silent Arbiter
19%inclusion42 decks219 decks
16%synergy
Spark Double
18%inclusion40 decks219 decks
5%synergy
Aboleth Spawn
18%inclusion39 decks219 decks
16%synergy
PuPu UFO
17%inclusion37 decks219 decks
13%synergy
Vesuvan Shapeshifter
16%inclusion36 decks219 decks
16%synergy
Platinum Emperion
16%inclusion36 decks219 decks
15%synergy
Grappling Kraken
16%inclusion34 decks219 decks
14%synergy
Gran-Gran
15%inclusion33 decks219 decks
14%synergy
Silvergill Peddler
14%inclusion21 decks150 decks
14%synergy
Walking Atlas
13%inclusion28 decks219 decks
9%synergy
Pestered Wellguard
13%inclusion19 decks150 decks
12%synergy
Loyal Drake
12%inclusion26 decks219 decks
9%synergy
Sphinx's Disciple
11%inclusion25 decks219 decks
11%synergy
Mercurial Pretender
11%inclusion25 decks219 decks
11%synergy
Synth Infiltrator
11%inclusion25 decks219 decks
10%synergy
Emrakul's Messenger
11%inclusion23 decks219 decks
6%synergy
Instants
Ghostly Flicker
62%inclusion136 decks219 decks
51%synergy
Counterspell
56%inclusion123 decks219 decks
-10%synergy
Frantic Search
56%inclusion122 decks219 decks
25%synergy
Rapid Hybridization
47%inclusion104 decks219 decks
13%synergy
Pongify
44%inclusion96 decks219 decks
4%synergy
Sink into Stupor
40%inclusion88 decks219 decks
18%synergy
Unwind
39%inclusion86 decks219 decks
29%synergy
An Offer You Can't Refuse
36%inclusion78 decks219 decks
-2%synergy
Aetherize
33%inclusion73 decks219 decks
4%synergy
Snap
33%inclusion72 decks219 decks
14%synergy
Consult the Star Charts
32%inclusion71 decks219 decks
29%synergy
Arcane Denial
28%inclusion61 decks219 decks
-8%synergy
Rewind
24%inclusion52 decks219 decks
11%synergy
Evacuation
23%inclusion51 decks219 decks
16%synergy
Negate
22%inclusion49 decks219 decks
-15%synergy
Muddle the Mixture
21%inclusion45 decks219 decks
5%synergy
Reality Shift
20%inclusion43 decks219 decks
-7%synergy
Brainstorm
19%inclusion42 decks219 decks
-22%synergy
High Tide
19%inclusion41 decks219 decks
-25%synergy
Teferi's Time Twist
18%inclusion40 decks219 decks
13%synergy
Resculpt
15%inclusion33 decks219 decks
-3%synergy
Mirrorform
14%inclusion22 decks153 decks
11%synergy
Swan Song
14%inclusion31 decks219 decks
-12%synergy
Mana Drain
11%inclusion24 decks219 decks
-16%synergy
Deprive
10%inclusion22 decks219 decks
9%synergy
Blue Sun's Zenith
10%inclusion21 decks219 decks
-2%synergy
Opt
9.1%inclusion20 decks219 decks
-16%synergy
Jwari Disruption
8.2%inclusion18 decks219 decks
3%synergy
Long-Term Plans
7.8%inclusion17 decks219 decks
5%synergy
Filter Out
7.3%inclusion16 decks219 decks
4%synergy
Into the Flood Maw
7.3%inclusion16 decks219 decks
1%synergy
Three Steps Ahead
7.3%inclusion16 decks219 decks
-3%synergy
Engulf the Shore
6.8%inclusion15 decks219 decks
-1%synergy
Narset's Reversal
6.8%inclusion15 decks219 decks
-6%synergy
Fleeting Reflection
6.4%inclusion14 decks219 decks
6%synergy
Flare of Denial
6.4%inclusion14 decks219 decks
0%synergy
Pull from Tomorrow
5.9%inclusion13 decks219 decks
-3%synergy
Council's Deliberation
5.0%inclusion11 decks219 decks
5%synergy
Cryptic Command
5.0%inclusion11 decks219 decks
-7%synergy
Force of Negation
5.0%inclusion11 decks219 decks
-10%synergy
Archmage's Charm
5.0%inclusion11 decks219 decks
-12%synergy
Sorceries
Consuming Tide
53%inclusion115 decks219 decks
49%synergy
Devastation Tide
52%inclusion113 decks219 decks
49%synergy
Season of Weaving
26%inclusion56 decks219 decks
20%synergy
Coastal Breach
22%inclusion49 decks219 decks
22%synergy
Relm's Sketching
16%inclusion36 decks219 decks
13%synergy
Sea Gate Restoration
15%inclusion33 decks219 decks
0%synergy
Finale of Revelation
12%inclusion27 decks219 decks
5%synergy
Lórien Revealed
11%inclusion25 decks219 decks
3%synergy
Ponder
11%inclusion25 decks219 decks
-18%synergy
Preordain
11%inclusion24 decks219 decks
-13%synergy
Flood of Tears
10%inclusion21 decks219 decks
6%synergy
Windfall
8.7%inclusion19 decks219 decks
-14%synergy
Sakashima's Will
8.2%inclusion18 decks219 decks
7%synergy
Bribery
7.8%inclusion17 decks219 decks
4%synergy
Fabricate
7.8%inclusion17 decks219 decks
-13%synergy
Curse of the Swine
6.4%inclusion14 decks219 decks
-5%synergy
Utility Artifacts
Planetarium of Wan Shi Tong
47%inclusion102 decks219 decks
44%synergy
The Water Crystal
39%inclusion86 decks219 decks
29%synergy
Kefnet's Monument
38%inclusion84 decks219 decks
32%synergy
Blade of Shared Souls
36%inclusion78 decks219 decks
35%synergy
Nevinyrral's Disk
32%inclusion70 decks219 decks
30%synergy
Mirage Mirror
31%inclusion68 decks219 decks
28%synergy
Altar of the Brood
30%inclusion66 decks219 decks
27%synergy
Amulet of Vigor
26%inclusion58 decks219 decks
26%synergy
Boompile
24%inclusion52 decks219 decks
23%synergy
Zuran Orb
21%inclusion45 decks219 decks
19%synergy
Waterbending Scroll
18%inclusion39 decks219 decks
9%synergy
Wayfarer's Bauble
16%inclusion35 decks219 decks
-2%synergy
Manascape Refractor
12%inclusion26 decks219 decks
12%synergy
Mirror of the Forebears
11%inclusion25 decks219 decks
11%synergy
Swiftfoot Boots
11%inclusion23 decks219 decks
-18%synergy
Desecrated Tomb
10%inclusion22 decks219 decks
10%synergy
Lightning Greaves
9.1%inclusion20 decks219 decks
-17%synergy
The Temporal Anchor
7.3%inclusion16 decks219 decks
7%synergy
Cloudstone Curio
6.4%inclusion14 decks219 decks
6%synergy
The Regalia
5.5%inclusion12 decks219 decks
4%synergy
Extinguisher Battleship
5.0%inclusion11 decks219 decks
4%synergy
Enchantments
Copy Land
61%inclusion133 decks219 decks
60%synergy
Retreat to Coralhelm
58%inclusion127 decks219 decks
55%synergy
Imprisoned in the Moon
56%inclusion123 decks219 decks
44%synergy
Propaganda
42%inclusion93 decks219 decks
12%synergy
Metamorphic Alteration
26%inclusion58 decks219 decks
26%synergy
Trade Routes
17%inclusion38 decks219 decks
17%synergy
Mystic Remora
16%inclusion35 decks219 decks
-11%synergy
Leyline of Anticipation
8.2%inclusion18 decks219 decks
-1%synergy
Wind Zendikon
7.3%inclusion16 decks219 decks
7%synergy
Dissipation Field
7.3%inclusion16 decks219 decks
4%synergy
Lost Isle Calling
5.5%inclusion12 decks219 decks
5%synergy
Mirrormade
5.5%inclusion12 decks219 decks
0%synergy
Planeswalkers
Jace, Wielder of Mysteries
14%inclusion30 decks219 decks
-1%synergy
Teferi, Master of Time
5.9%inclusion13 decks219 decks
1%synergy
Utility Lands
Thespian's Stage
78%inclusion171 decks219 decks
76%synergy
Guildless Commons
53%inclusion115 decks219 decks
51%synergy
Mystic Sanctuary
52%inclusion114 decks219 decks
2%synergy
Arid Archway
52%inclusion113 decks219 decks
50%synergy
Reliquary Tower
42%inclusion91 decks219 decks
-15%synergy
Deserted Temple
39%inclusion86 decks219 decks
39%synergy
Nykthos, Shrine to Nyx
30%inclusion66 decks219 decks
14%synergy
Castle Vantress
26%inclusion58 decks219 decks
8%synergy
Otawara, Soaring City
25%inclusion55 decks219 decks
0%synergy
War Room
21%inclusion45 decks219 decks
5%synergy
Rivendell
20%inclusion43 decks219 decks
9%synergy
Urza's Saga
17%inclusion38 decks219 decks
1%synergy
Temple of the False God
16%inclusion36 decks219 decks
6%synergy
Scavenger Grounds
16%inclusion35 decks219 decks
8%synergy
Tolaria West
15%inclusion32 decks219 decks
9%synergy
Agna Qel'a
14%inclusion31 decks219 decks
7%synergy
Terrain Generator
10%inclusion22 decks219 decks
2%synergy
Minamo, School at Water's Edge
8.7%inclusion19 decks219 decks
-4%synergy
Dark Depths
7.8%inclusion17 decks219 decks
7%synergy
Lonely Sandbar
7.3%inclusion16 decks219 decks
-7%synergy
Coral Atoll
6.4%inclusion14 decks219 decks
3%synergy
Mistrise Village
5.5%inclusion12 decks219 decks
-4%synergy
Maze of Ith
5.0%inclusion11 decks219 decks
0%synergy
Mana Artifacts
Sol Ring
84%inclusion183 decks219 decks
-2%synergy
Arcane Signet
65%inclusion142 decks219 decks
0%synergy
Machine God's Effigy
45%inclusion98 decks219 decks
42%synergy
Thought Vessel
40%inclusion88 decks219 decks
-11%synergy
Mind Stone
23%inclusion50 decks219 decks
-13%synergy
Fellwar Stone
16%inclusion36 decks219 decks
-3%synergy
Sky Diamond
16%inclusion35 decks219 decks
-7%synergy
Midnight Clock
13%inclusion29 decks219 decks
-7%synergy
Springleaf Drum
10%inclusion21 decks219 decks
6%synergy
Moonsnare Prototype
7.3%inclusion16 decks219 decks
5%synergy
Throne of Eldraine
7.3%inclusion16 decks219 decks
-2%synergy
Liquimetal Torque
6.8%inclusion15 decks219 decks
0%synergy
Bender's Waterskin
5.9%inclusion13 decks219 decks
-4%synergy
Chromatic Lantern
5.0%inclusion11 decks219 decks
5%synergy
Lands
Myriad Landscape
21%inclusion46 decks219 decks
-5%synergy
Urza's Cave
18%inclusion39 decks219 decks
14%synergy
Demolition Field
11%inclusion23 decks219 decks
5%synergy
Conduit Pylons
8.7%inclusion19 decks219 decks
8%synergy
Flooded Strand
8.7%inclusion19 decks219 decks
0%synergy
Polluted Delta
8.2%inclusion18 decks219 decks
0%synergy
Crystal Grotto
7.8%inclusion17 decks219 decks
7%synergy
Scalding Tarn
7.8%inclusion17 decks219 decks
0%synergy
Misty Rainforest
7.8%inclusion17 decks219 decks
0%synergy
Fabled Passage
7.3%inclusion16 decks219 decks
4%synergy
Talon Gates of Madara
6.8%inclusion15 decks219 decks
3%synergy
Rumble Arena
6.4%inclusion14 decks219 decks
6%synergy
Survivors' Encampment
6.4%inclusion14 decks219 decks
6%synergy
The Grey Havens
6.4%inclusion14 decks219 decks
6%synergy
Holdout Settlement
5.5%inclusion12 decks219 decks
5%synergy