Aggravated Assault + Bear Umbra + Pako, Arcane Retriever

Aggravated Assault
Bear Umbra
Pako, Arcane Retriever

Requires
Aggravated Assault must be on the battlefield. Bear Umbra must be on the battlefield. Pako, Arcane Retriever must be on the battlefield. Bear Umbra attached to Pako. You control lands that can tap to produce at least 3. An opponent is unable to block and kill creatures you control.
Steps
  1. Declare Pako as attacker.
  2. Pako and Bear Umbra triggers.
  3. Resolve the Pako triggers, exiling the top card of each player's library and putting a fetch counter on each of them, putting a +1/+1 counter on Pako for each noncreature card exiled this way.
  4. Resolve the Bear Umbra triggers, untapping all lands you control.
  5. Proceed to your next main phase.
  6. Activate Aggravated Assault by paying 3, untapping all creatures you control and getting an additional combat and main phase after this one.
  7. Repeat.
Results
Infinite combat phases. Infinitely large Pako.

Haldan, Avid Arcanist // Pako, Arcane Retriever
12.65% of 7117 decks 900 decks
New Cards
Enter the Enigma
82% of 22 decks +72% synergy
Waltz of Rage
57% of 7 decks +52% synergy
Untimely Malfunction
52% of 42 decks +34% synergy
Charred Foyer // Warped Space
46% of 28 decks +39% synergy
Thornspire Verge
15% of 46 decks -5% synergy
High Synergy Cards
Memory Lapse
68% of 902 decks +67% synergy
Enlightened Tutor
83% of 6 decks +66% synergy
Aqueous Form
69% of 902 decks +65% synergy
Seize the Day
66% of 913 decks +64% synergy
Doc Aurlock, Grizzled Genius
64% of 312 decks +58% synergy
Winged Boots
56% of 872 decks +54% synergy
Exploration
60% of 913 decks +52% synergy
Overpowering Attack
57% of 147 decks +52% synergy
Moraug, Fury of Akoum
52% of 905 decks +49% synergy
Noxious Revival
53% of 913 decks +47% synergy
Top Cards
Farseek
66% of 913 decks +32% synergy
Brainstorm
64% of 902 decks +42% synergy
Nature's Lore
64% of 913 decks +32% synergy
Cultivate
61% of 913 decks +15% synergy
Counterspell
61% of 902 decks +18% synergy
Beast Within
59% of 913 decks +20% synergy
Blasphemous Act
55% of 913 decks +21% synergy
Noxious Revival
53% of 913 decks +47% synergy
Explore
52% of 913 decks +43% synergy
Rampant Growth
52% of 913 decks +17% synergy
Creatures
Faeburrow Elder
50% of 6 decks +38% synergy
Birds of Paradise
50% of 913 decks +23% synergy
Azusa, Lost but Seeking
45% of 913 decks +37% synergy
Wulfgar of Icewind Dale
39% of 882 decks +37% synergy
Etali, Primal Storm
36% of 913 decks +27% synergy
Faldorn, Dread Wolf Herald
36% of 855 decks +33% synergy
Seedborn Muse
35% of 913 decks +27% synergy
Delighted Halfling
33% of 660 decks +18% synergy
Mina and Denn, Wildborn
31% of 913 decks +26% synergy
Llanowar Elves
28% of 913 decks +7% synergy
Elvish Mystic
24% of 913 decks +6% synergy
Dryad of the Ilysian Grove
22% of 913 decks +14% synergy
The Thirteenth Doctor
21% of 557 decks +19% synergy
Tatyova, Benthic Druid
21% of 902 decks +9% synergy
Oracle of Mul Daya
21% of 913 decks +15% synergy
Kediss, Emberclaw Familiar
20% of 904 decks +18% synergy
Fanatic of Rhonas
19% of 221 decks +10% synergy
Wild-Magic Sorcerer
19% of 882 decks +16% synergy
Karlach, Fury of Avernus
19% of 855 decks +15% synergy
Fyndhorn Elves
17% of 913 decks +4% synergy
Dockside Extortionist
15% of 913 decks +2% synergy
Etali, Primal Conqueror
15% of 696 decks +3% synergy
Herald of Secret Streams
15% of 902 decks +12% synergy
Combat Celebrant
15% of 913 decks +12% synergy
Roaming Throne
13% of 460 decks +3% synergy
Tinder Wall
12% of 913 decks +9% synergy
Savvy Trader
12% of 249 decks +10% synergy
Spark Double
11% of 902 decks +4% synergy
Nalfeshnee
11% of 855 decks +9% synergy
Wayward Swordtooth
11% of 913 decks +7% synergy
Rashmi, Eternities Crafter
11% of 902 decks +8% synergy
Goblin Anarchomancer
11% of 884 decks -3% synergy
Sakura-Tribe Elder
11% of 913 decks -8% synergy
Lotus Cobra
10% of 913 decks +3% synergy
Eternal Witness
10% of 913 decks -12% synergy
Bloom Tender
9% of 913 decks +1% synergy
Mizzix, Replica Rider
9% of 749 decks +8% synergy
Hellkite Charger
9% of 913 decks +7% synergy
Scourge of the Throne
9% of 913 decks +7% synergy
Arbor Elf
8% of 913 decks +2% synergy
Guardian Augmenter
8% of 894 decks +7% synergy
Ragavan, Nimble Pilferer
8% of 884 decks +0% synergy
Plargg and Nassari
8% of 667 decks +5% synergy
Tireless Provisioner
7% of 884 decks -4% synergy
Port Razer
7% of 904 decks +5% synergy
Savage Ventmaw
7% of 913 decks +1% synergy
Aesi, Tyrant of Gyre Strait
7% of 894 decks +1% synergy
Keeper of Secrets
6% of 788 decks +5% synergy
Pollywog Prodigy
6% of 68 decks -9% synergy
Scute Swarm
6% of 905 decks -4% synergy
Instants
Teferi's Protection
50% of 6 decks +30% synergy
Swords to Plowshares
50% of 6 decks -13% synergy
Growth Spiral
50% of 902 decks +28% synergy
Chaos Warp
49% of 913 decks +17% synergy
Cyclonic Rift
48% of 902 decks +20% synergy
Overprotect
46% of 94 decks +41% synergy
Heroic Intervention
42% of 913 decks +12% synergy
Deflecting Swat
41% of 913 decks +25% synergy
Negate
40% of 902 decks +17% synergy
Expel from Orazca
38% of 902 decks +38% synergy
Mystical Tutor
37% of 902 decks +22% synergy
Fierce Guardianship
36% of 902 decks +19% synergy
Tamiyo's Safekeeping
36% of 873 decks +29% synergy
Tyvar's Stand
36% of 741 decks +30% synergy
An Offer You Can't Refuse
35% of 858 decks +15% synergy
Gaea's Gift
33% of 777 decks +30% synergy
Swan Song
31% of 902 decks +15% synergy
Arcane Denial
28% of 902 decks +8% synergy
Mana Drain
27% of 902 decks +12% synergy
Great Train Heist
27% of 332 decks +22% synergy
Slip Out the Back
25% of 858 decks +23% synergy
Nature's Claim
24% of 913 decks +14% synergy
Temur Battle Rage
23% of 913 decks +21% synergy
Reality Shift
23% of 902 decks +14% synergy
Legolas's Quick Reflexes
22% of 534 decks +19% synergy
Reclaim
22% of 913 decks +21% synergy
Savage Beating
21% of 913 decks +20% synergy
Stubborn Denial
20% of 902 decks +18% synergy
Pongify
19% of 902 decks +8% synergy
Collective Resistance
19% of 236 decks +14% synergy
Hinder
19% of 902 decks +18% synergy
Veil of Summer
18% of 913 decks +12% synergy
Harrow
18% of 913 decks +8% synergy
Hunter's Insight
18% of 913 decks +14% synergy
Return of the Wildspeaker
17% of 913 decks +3% synergy
Krosan Grip
16% of 913 decks +8% synergy
Force of Will
16% of 902 decks +5% synergy
Sink into Stupor
15% of 234 decks +2% synergy
Entish Restoration
15% of 620 decks +6% synergy
Delayed Blast Fireball
14% of 855 decks +11% synergy
Decisive Denial
14% of 884 decks +12% synergy
Force of Negation
14% of 902 decks +5% synergy
Submerge
13% of 902 decks +12% synergy
Pact of Negation
12% of 902 decks +4% synergy
Rapid Hybridization
12% of 902 decks +2% synergy
Repulsive Mutation
12% of 386 decks +8% synergy
Crop Rotation
11% of 913 decks +2% synergy
Resculpt
11% of 884 decks +5% synergy
You Come to a River
10% of 872 decks +10% synergy
Dispel
10% of 902 decks +6% synergy
Sorceries
Three Visits
55% of 913 decks +30% synergy
Kodama's Reach
52% of 913 decks +20% synergy
Winds of Rath
50% of 6 decks +47% synergy
Idyllic Tutor
50% of 6 decks +45% synergy
Relentless Assault
48% of 913 decks +45% synergy
Jeska's Will
41% of 904 decks +24% synergy
Temporal Spring
37% of 902 decks +36% synergy
Ponder
34% of 902 decks +21% synergy
Summer Bloom
32% of 913 decks +31% synergy
Time Warp
27% of 902 decks +25% synergy
Chandra's Ignition
25% of 913 decks +20% synergy
World at War
25% of 913 decks +24% synergy
Temporal Manipulation
20% of 902 decks +19% synergy
Preordain
19% of 902 decks +8% synergy
Rishkar's Expertise
19% of 913 decks +8% synergy
Vandalblast
18% of 913 decks +1% synergy
Bala Ged Recovery
18% of 905 decks +8% synergy
Gamble
17% of 913 decks +7% synergy
Windfall
17% of 902 decks +3% synergy
Capture of Jingzhou
15% of 902 decks +14% synergy
Skyshroud Claim
15% of 913 decks +5% synergy
Seasons Past
15% of 913 decks +14% synergy
Regrowth
14% of 913 decks +11% synergy
Stump Stomp
13% of 236 decks +4% synergy
Last Night Together
13% of 483 decks +12% synergy
Irenicus's Vile Duplication
13% of 847 decks +9% synergy
Broken Bond
12% of 913 decks +10% synergy
Personal Tutor
11% of 902 decks +10% synergy
Temporal Mastery
11% of 902 decks +9% synergy
Karn's Temporal Sundering
10% of 902 decks +9% synergy
Urban Evolution
10% of 902 decks +6% synergy
Chain Reaction
10% of 913 decks +5% synergy
Solve the Equation
9% of 884 decks +4% synergy
Consuming Tide
8% of 865 decks +7% synergy
Decimate
8% of 913 decks -0% synergy
Slip Through Space
8% of 902 decks +6% synergy
Season of Gathering
8% of 102 decks +2% synergy
Bridgeworks Battle
8% of 236 decks +2% synergy
Portent
7% of 902 decks +6% synergy
Sundering Eruption
7% of 224 decks +2% synergy
Fury of the Horde
7% of 913 decks +6% synergy
Search for Tomorrow
7% of 913 decks +4% synergy
Escape to the Wilds
6% of 913 decks +3% synergy
Hull Breach
6% of 913 decks +1% synergy
Faithless Looting
6% of 913 decks -11% synergy
Quantum Misalignment
6% of 495 decks +3% synergy
Artful Dodge
5% of 902 decks +5% synergy
Utility Artifacts
Swiftfoot Boots
49% of 913 decks +21% synergy
Lightning Greaves
43% of 913 decks +17% synergy
Sword of Feast and Famine
40% of 913 decks +38% synergy
Brotherhood Regalia
39% of 170 decks +34% synergy
Whispersilk Cloak
37% of 913 decks +33% synergy
Mithril Coat
25% of 603 decks +19% synergy
Sensei's Divining Top
25% of 913 decks +20% synergy
The Reaver Cleaver
23% of 803 decks +19% synergy
Strionic Resonator
19% of 913 decks +16% synergy
Shadowspear
19% of 913 decks +15% synergy
Silver Shroud Costume
17% of 350 decks +16% synergy
Vedalken Orrery
15% of 913 decks +14% synergy
The One Ring
12% of 697 decks +3% synergy
Trailblazer's Boots
11% of 913 decks +9% synergy
Lantern of Insight
10% of 913 decks +10% synergy
Helm of the Host
9% of 913 decks +5% synergy
Short Bow
8% of 50 decks +5% synergy
Sword of Forge and Frontier
8% of 741 decks +6% synergy
Scroll Rack
7% of 913 decks +6% synergy
The Key to the Vault
6% of 330 decks +3% synergy
Two-Handed Axe
6% of 855 decks +4% synergy
The Ozolith
5% of 911 decks +2% synergy
Codex Shredder
5% of 913 decks +4% synergy
Power Fist
5% of 338 decks +2% synergy
Enchantments
Smothering Tithe
50% of 6 decks +25% synergy
Wilderness Reclamation
44% of 913 decks +40% synergy
Rhystic Study
44% of 902 decks +16% synergy
Passionate Archaeologist
41% of 855 decks +38% synergy
Mystic Remora
38% of 902 decks +20% synergy
Fortune Teller's Talent
35% of 68 decks +32% synergy
Wild Growth
35% of 913 decks +24% synergy
Sylvan Library
33% of 913 decks +21% synergy
Utopia Sprawl
27% of 913 decks +19% synergy
The Lost and the Damned
26% of 780 decks +24% synergy
Rancor
22% of 913 decks +17% synergy
Leyline of Anticipation
21% of 902 decks +16% synergy
Canopy Cover
15% of 913 decks +14% synergy
Carpet of Flowers
14% of 913 decks +10% synergy
Sword Coast Sailor
12% of 847 decks +12% synergy
Case of the Locked Hothouse
12% of 378 decks +8% synergy
Fae Flight
12% of 355 decks +12% synergy
Song of Creation
11% of 901 decks +8% synergy
Powerbalance
10% of 239 decks +7% synergy
Stolen Strategy
10% of 913 decks +9% synergy
Kenrith's Transformation
10% of 913 decks +3% synergy
Hadana's Climb
10% of 902 decks +8% synergy
Underworld Breach
10% of 913 decks +3% synergy
Grim Reaper's Sprint
9% of 354 decks +8% synergy
Rhythm of the Wild
9% of 913 decks -14% synergy
Mind's Dilation
8% of 902 decks +7% synergy
Nature's Will
8% of 913 decks +7% synergy
Burgeoning
8% of 913 decks +4% synergy
Guild Artisan
7% of 855 decks +6% synergy
Fertile Ground
7% of 913 decks +3% synergy
Shark Typhoon
7% of 901 decks +4% synergy
Propaganda
7% of 902 decks -5% synergy
Hunter's Talent
6% of 108 decks +4% synergy
Hardened Scales
6% of 913 decks -3% synergy
Planeswalkers
Oko, Thief of Crowns
12% of 902 decks +6% synergy
Narset, Parter of Veils
7% of 902 decks +2% synergy
Utility Lands
Rogue's Passage
60% of 913 decks +41% synergy
Kessig Wolf Run
47% of 913 decks +31% synergy
Boseiju, Who Endures
27% of 873 decks +8% synergy
Reliquary Tower
24% of 913 decks -5% synergy
Mystic Sanctuary
22% of 902 decks +10% synergy
Ancient Tomb
21% of 913 decks +10% synergy
Otawara, Soaring City
20% of 864 decks +3% synergy
Yavimaya, Cradle of Growth
18% of 884 decks +9% synergy
Alchemist's Refuge
16% of 902 decks +10% synergy
Halimar Depths
16% of 902 decks +13% synergy
Command Beacon
14% of 913 decks +9% synergy
Temple of the False God
11% of 913 decks +2% synergy
Skarrg, the Rage Pits
11% of 913 decks +8% synergy
Field of the Dead
10% of 913 decks +7% synergy
Urza's Saga
9% of 884 decks +2% synergy
Scavenger Grounds
7% of 913 decks +4% synergy
Mosswort Bridge
6% of 913 decks -4% synergy
Maze of Ith
6% of 913 decks +3% synergy
Rivendell
6% of 623 decks +1% synergy
Mana Artifacts
Sol Ring
94% of 913 decks +9% synergy
Arcane Signet
84% of 913 decks +12% synergy
Fellwar Stone
36% of 913 decks +15% synergy
Talisman of Curiosity
29% of 902 decks +17% synergy
Talisman of Creativity
27% of 902 decks -2% synergy
Talisman of Impulse
20% of 913 decks +11% synergy
Izzet Signet
16% of 902 decks -12% synergy
Gruul Signet
16% of 913 decks +4% synergy
Simic Signet
16% of 902 decks +1% synergy
Jeweled Lotus
14% of 904 decks +7% synergy
Mana Crypt
13% of 913 decks +4% synergy
Mana Vault
12% of 913 decks +6% synergy
Lotus Petal
11% of 913 decks +4% synergy
Thought Vessel
10% of 913 decks -7% synergy
Chromatic Lantern
9% of 913 decks -1% synergy
Commander's Sphere
9% of 913 decks -7% synergy
Chrome Mox
9% of 913 decks +2% synergy
Mox Diamond
6% of 913 decks +1% synergy
Lands
Command Tower
95% of 913 decks +21% synergy
Temple Garden
67% of 6 decks +26% synergy
Exotic Orchard
65% of 913 decks +29% synergy
Stomping Ground
63% of 913 decks +22% synergy
Breeding Pool
62% of 902 decks +21% synergy
Steam Vents
62% of 902 decks +23% synergy
Rejuvenating Springs
54% of 894 decks +26% synergy
Ketria Triome
54% of 901 decks +22% synergy
Bountiful Promenade
50% of 6 decks +26% synergy
Battlefield Forge
50% of 6 decks +25% synergy
Clifftop Retreat
50% of 6 decks +22% synergy
Jungle Shrine
50% of 6 decks +18% synergy
Training Center
49% of 894 decks +22% synergy
Misty Rainforest
45% of 913 decks +34% synergy
Frontier Bivouac
45% of 902 decks +18% synergy
Wooded Foothills
45% of 913 decks +35% synergy
Scalding Tarn
44% of 913 decks +33% synergy
Spire Garden
44% of 913 decks +20% synergy
Yavimaya Coast
42% of 902 decks +15% synergy
Cinder Glade
41% of 913 decks +2% synergy
Hinterland Harbor
40% of 902 decks +13% synergy
Sulfur Falls
40% of 902 decks +10% synergy
Shivan Reef
35% of 902 decks +8% synergy
Rootbound Crag
35% of 913 decks +12% synergy
Bountiful Landscape
34% of 194 decks +17% synergy
Dreamroot Cascade
25% of 865 decks +7% synergy
Rockfall Vale
25% of 876 decks +3% synergy
Karplusan Forest
25% of 913 decks +8% synergy
Simic Growth Chamber
23% of 902 decks +3% synergy
Gruul Turf
21% of 913 decks +5% synergy
Izzet Boilerworks
19% of 902 decks +3% synergy
Hedge Maze
18% of 396 decks +4% synergy
Evolving Wilds
18% of 913 decks -3% synergy
Tropical Island
17% of 902 decks +3% synergy
Volcanic Island
17% of 902 decks +3% synergy
Stormcarved Coast
17% of 865 decks -0% synergy
Taiga
17% of 913 decks +4% synergy
City of Brass
16% of 913 decks +8% synergy
Commercial District
16% of 398 decks +4% synergy
Temple of Mystery
16% of 902 decks -1% synergy
Windswept Heath
15% of 913 decks +5% synergy
Mana Confluence
14% of 913 decks +7% synergy
Temple of Abandon
14% of 913 decks +0% synergy
Temple of Epiphany
14% of 902 decks -4% synergy
Fabled Passage
14% of 913 decks +5% synergy
Terramorphic Expanse
14% of 913 decks -2% synergy
Waterlogged Grove
14% of 902 decks +6% synergy
Thundering Falls
14% of 396 decks +2% synergy
Verdant Catacombs
13% of 913 decks +1% synergy
Flooded Strand
13% of 913 decks +2% synergy