Shalai, Voice of Plenty + Crystalline Crawler + Cryptic Trilobite + Pir, Imaginative Rascal

Shalai, Voice of Plenty
Crystalline Crawler
Cryptic Trilobite
Pir, Imaginative Rascal

Requires
Shalai, Voice of Plenty must be on the battlefield. Crystalline Crawler must be on the battlefield. Cryptic Trilobite must be on the battlefield. Pir, Imaginative Rascal must be on the battlefield. Mana needed: 4
Steps
  1. Activate Shalai by paying 4, putting two +1/+1 counters on each creature you control.
  2. Activate Cryptic Trilobite's first ability twice by removing two +1/+1 counters from it, adding that can only be spent to activate abilities.
  3. Activate Crystalline Crawler's first ability twice by removing two +1/+1 counters from it, adding .
  4. Repeat.
Results
Infinite +1/+1 counters on all creatures you control except Crystalline Crawler and Cryptic Trilobite.

Marath, Will of the Wild
0.27% of 2615 decks 7 decks
Atraxa, Praetors' Voice
0.01% of 36013 decks 3 decks
Ghave, Guru of Spores
0.03% of 6609 decks 2 decks
Captain Sisay
0.06% of 1732 decks 1 decks
Galadriel, Light of Valinor
0.01% of 10683 decks 1 decks
New Cards
Warden of the Grove
100% of 2 decks +99% synergy
Hollowmurk Siege
100% of 1 decks +98% synergy
High Synergy Cards
Deepglow Skate
100% of 4 decks +98% synergy
Master Biomancer
100% of 4 decks +97% synergy
Winding Constrictor
100% of 5 decks +96% synergy
Cathars' Crusade
79% of 14 decks +73% synergy
Mana Echoes
71% of 7 decks +70% synergy
Hardened Scales
79% of 14 decks +69% synergy
Lae'zel, Vlaakith's Champion
71% of 14 decks +69% synergy
Ashnod's Altar
71% of 14 decks +64% synergy
Ozolith, the Shattered Spire
64% of 14 decks +59% synergy
Kami of Whispered Hopes
64% of 14 decks +58% synergy
Top Cards
Shalai and Hallar
57% of 7 decks +54% synergy
Conclave Mentor
57% of 14 decks +53% synergy
Branching Evolution
57% of 14 decks +51% synergy
Forgotten Ancient
57% of 14 decks +51% synergy
Aura Shards
57% of 14 decks +49% synergy
Doubling Season
57% of 14 decks +48% synergy
Ivy Lane Denizen
50% of 14 decks +48% synergy
Basking Broodscale
50% of 8 decks +48% synergy
Vorinclex, Monstrous Raider
50% of 14 decks +47% synergy
Gyre Sage
50% of 14 decks +46% synergy
Game Changers
Enlightened Tutor
21% of 14 decks +4% synergy
Creatures
Herald of Secret Streams
75% of 4 decks +72% synergy
Fathom Mage
75% of 4 decks +71% synergy
Reyhan, Last of the Abzan
60% of 5 decks +59% synergy
Corpsejack Menace
60% of 5 decks +55% synergy
Mikaeus, the Lunarch
43% of 14 decks +41% synergy
Rishkar, Peema Renegade
43% of 14 decks +38% synergy
Incubation Druid
43% of 14 decks +38% synergy
Evolution Witness
38% of 8 decks +34% synergy
Herd Baloth
36% of 14 decks +35% synergy
Kalonian Hydra
36% of 14 decks +33% synergy
Rosie Cotton of South Lane
36% of 14 decks +33% synergy
Evolution Sage
36% of 14 decks +29% synergy
Champion of Lambholt
36% of 14 decks +29% synergy
Birds of Paradise
36% of 14 decks +8% synergy
Kutzil, Malamet Exemplar
33% of 9 decks +19% synergy
Arwen, Weaver of Hope
31% of 13 decks +29% synergy
Benevolent Hydra
29% of 14 decks +27% synergy
Fertilid
29% of 14 decks +27% synergy
Avacyn's Pilgrim
29% of 14 decks +15% synergy
Elvish Mystic
29% of 14 decks +11% synergy
Eternal Witness
29% of 14 decks +9% synergy
Llanowar Elves
29% of 14 decks +8% synergy
Walking Ballista
21% of 14 decks +19% synergy
Devoted Druid
21% of 14 decks +18% synergy
Heliod, Sun-Crowned
21% of 14 decks +18% synergy
Managorger Hydra
21% of 14 decks +17% synergy
Bloom Tender
21% of 14 decks +14% synergy
Instants
Swords to Plowshares
50% of 14 decks -13% synergy
Path to Exile
43% of 14 decks -4% synergy
Inspiring Call
36% of 14 decks +28% synergy
Teferi's Protection
36% of 14 decks +16% synergy
Heroic Intervention
36% of 14 decks +6% synergy
Unbreakable Formation
29% of 14 decks +22% synergy
Eladamri's Call
29% of 14 decks +18% synergy
Generous Gift
29% of 14 decks +4% synergy
Beast Within
29% of 14 decks -9% synergy
Chord of Calling
21% of 14 decks +16% synergy
Return of the Wildspeaker
21% of 14 decks +9% synergy
Worldly Tutor
21% of 14 decks +8% synergy
Sorceries
Farseek
50% of 14 decks +16% synergy
Three Visits
43% of 14 decks +18% synergy
Damning Verdict
36% of 14 decks +34% synergy
Nature's Lore
36% of 14 decks +4% synergy
Cultivate
36% of 14 decks -9% synergy
Skyshroud Claim
29% of 14 decks +20% synergy
Kodama's Reach
21% of 14 decks -9% synergy
Rampant Growth
21% of 14 decks -13% synergy
Utility Artifacts
Illusionist's Bracers
36% of 14 decks +35% synergy
The Ozolith
36% of 14 decks +32% synergy
Skullclamp
36% of 14 decks +24% synergy
Basilisk Collar
29% of 14 decks +25% synergy
Phyrexian Altar
29% of 14 decks +25% synergy
The Great Henge
21% of 14 decks +12% synergy
Lightning Greaves
21% of 14 decks -4% synergy
Enchantments
Brokers Ascendancy
75% of 4 decks +68% synergy
All Will Be One
43% of 7 decks +40% synergy
Primal Vigor
36% of 14 decks +33% synergy
Unbound Flourishing
29% of 14 decks +27% synergy
Resourceful Defense
21% of 14 decks +20% synergy
Concordant Crossroads
21% of 14 decks +19% synergy
Cryptolith Rite
21% of 14 decks +18% synergy
Felidar Retreat
21% of 14 decks +15% synergy
Tribute to the World Tree
21% of 14 decks +15% synergy
Parallel Lives
21% of 14 decks +14% synergy
Planeswalkers
Ajani, the Greathearted
21% of 14 decks +19% synergy
Utility Lands
Karn's Bastion
43% of 14 decks +38% synergy
Yavimaya, Cradle of Growth
43% of 14 decks +34% synergy
Gavony Township
43% of 14 decks +34% synergy
Temple of the False God
21% of 14 decks +12% synergy
Boseiju, Who Endures
21% of 14 decks +3% synergy
Mana Artifacts
Sol Ring
86% of 14 decks +1% synergy
Arcane Signet
71% of 14 decks -1% synergy
Gruul Signet
57% of 7 decks +46% synergy
Boros Signet
57% of 7 decks +35% synergy
Selesnya Signet
36% of 14 decks +27% synergy
Astral Cornucopia
29% of 14 decks +28% synergy
Talisman of Unity
21% of 14 decks +14% synergy
Lands
Zagoth Triome
100% of 3 decks +70% synergy
Watery Grave
100% of 3 decks +60% synergy
Command Tower
93% of 14 decks +19% synergy
Clifftop Retreat
86% of 7 decks +55% synergy
Indatha Triome
80% of 5 decks +50% synergy
Godless Shrine
80% of 5 decks +40% synergy
Spara's Headquarters
75% of 4 decks +45% synergy
Hallowed Fountain
75% of 4 decks +35% synergy
Breeding Pool
75% of 4 decks +35% synergy
Spire Garden
71% of 7 decks +48% synergy
Spectator Seating
71% of 7 decks +47% synergy
Rootbound Crag
71% of 7 decks +47% synergy
Jetmir's Garden
71% of 7 decks +40% synergy
Sacred Foundry
71% of 7 decks +36% synergy
Cinder Glade
71% of 7 decks +33% synergy
Temple Garden
71% of 14 decks +32% synergy
Stomping Ground
71% of 7 decks +31% synergy
Overgrown Tomb
60% of 5 decks +18% synergy
Windswept Heath
57% of 14 decks +47% synergy
Rockfall Vale
57% of 7 decks +35% synergy
Sunpetal Grove
57% of 14 decks +33% synergy
Canopy Vista
57% of 14 decks +21% synergy
Opal Palace
50% of 14 decks +47% synergy
Bountiful Promenade
50% of 14 decks +26% synergy
Sundown Pass
43% of 7 decks +28% synergy
Jungle Shrine
43% of 7 decks +11% synergy
Exotic Orchard
43% of 14 decks +7% synergy
Krosan Verge
36% of 14 decks +33% synergy
Wooded Foothills
36% of 14 decks +25% synergy
Overgrown Farmland
36% of 14 decks +19% synergy
Arid Mesa
29% of 14 decks +18% synergy
Verdant Catacombs
29% of 14 decks +17% synergy
Reflecting Pool
21% of 14 decks +16% synergy
Marsh Flats
21% of 14 decks +10% synergy
Misty Rainforest
21% of 14 decks +10% synergy
Savannah
21% of 14 decks +9% synergy
Brushland
21% of 14 decks +5% synergy
Evolving Wilds
21% of 14 decks +1% synergy