Ertha Jo, Frontier Mentor + Seeker of Skybreak

Ertha Jo, Frontier Mentor
Seeker of Skybreak

Requires
Ertha Jo, Frontier Mentor must be on the battlefield. Seeker of Skybreak must be on the battlefield.
Steps
  1. Activate Seeker of Skybreak by tapping it, targeting itself.
  2. Ertha Jo's second ability triggers, copying Seeker of Skybreak's ability, targeting any other creature.
  3. Resolve both Seeker of Skybreak abilities, untapping it and the other targeted creature.
  4. Repeat.
Results
Infinite mana creatures you control can produce. Infinite untap of creatures you control.

Ghired, Mirror of the Wilds
0.16% of 3198 decks 5 decks
Garth One-Eye
0.18% of 2705 decks 5 decks
Wayta, Trainer Prodigy
0.14% of 2951 decks 4 decks
Annie Flash, the Veteran
0.55% of 541 decks 3 decks
Samut, Voice of Dissent
0.26% of 1140 decks 3 decks
Rocco, Cabaretti Caterer
0.07% of 4068 decks 3 decks
Marina Vendrell
0.03% of 7443 decks 2 decks
Tazri, Stalwart Survivor
0.17% of 1190 decks 2 decks
Kynaios and Tiro of Meletis
0.02% of 5831 decks 1 decks
High Synergy Cards
Aphetto Alchemist
70% of 10 decks +69% synergy
Tyvar, Jubilant Brawler
56% of 9 decks +52% synergy
Kelpie Guide
50% of 10 decks +49% synergy
Vizier of Tumbling Sands
40% of 10 decks +39% synergy
Arcanis the Omnipotent
40% of 10 decks +39% synergy
Quest for Renewal
36% of 28 decks +34% synergy
Kiora's Follower
40% of 10 decks +34% synergy
Jeskai Ascendancy
40% of 10 decks +34% synergy
Drumbellower
36% of 28 decks +34% synergy
Bloom Tender
36% of 28 decks +28% synergy
Top Cards
Swords to Plowshares
50% of 28 decks -13% synergy
Nature's Lore
46% of 28 decks +15% synergy
Ignoble Hierarch
44% of 9 decks +19% synergy
Avacyn's Pilgrim
39% of 28 decks +25% synergy
Birds of Paradise
39% of 28 decks +12% synergy
Rampant Growth
39% of 28 decks +5% synergy
Faeburrow Elder
36% of 28 decks +24% synergy
Llanowar Elves
36% of 28 decks +15% synergy
Farseek
32% of 28 decks -2% synergy
Path to Exile
32% of 28 decks -15% synergy
Game Changers
Rhystic Study
30% of 10 decks +3% synergy
Enlightened Tutor
14% of 28 decks -3% synergy
Creatures
Merieke Ri Berit
33% of 9 decks +33% synergy
Forensic Researcher
30% of 10 decks +30% synergy
Fatestitcher
30% of 10 decks +29% synergy
Ioreth of the Healing House
30% of 10 decks +29% synergy
Noble Hierarch
30% of 10 decks +14% synergy
Wylie Duke, Atiin Hero
29% of 28 decks +28% synergy
Marvin, Murderous Mimic
29% of 14 decks +27% synergy
Enduring Vitality
29% of 14 decks +22% synergy
Eternal Witness
29% of 28 decks +9% synergy
The Jolly Balloon Man
27% of 15 decks +24% synergy
Plargg, Dean of Chaos
25% of 28 decks +24% synergy
Kiki-Jiki, Mirror Breaker
25% of 28 decks +22% synergy
Selvala, Explorer Returned
25% of 28 decks +22% synergy
Brash Taunter
25% of 28 decks +21% synergy
Mother of Runes
25% of 28 decks +19% synergy
Loran of the Third Path
25% of 28 decks +19% synergy
Seedborn Muse
25% of 28 decks +17% synergy
Selvala, Eager Trailblazer
21% of 28 decks +21% synergy
Village Bell-Ringer
21% of 28 decks +20% synergy
Samut, Voice of Dissent
21% of 28 decks +19% synergy
Feldon of the Third Path
21% of 28 decks +18% synergy
Saryth, the Viper's Fang
21% of 28 decks +18% synergy
Fyndhorn Elves
21% of 28 decks +10% synergy
Sakura-Tribe Elder
21% of 28 decks +3% synergy
Midnight Guard
18% of 28 decks +18% synergy
Emmara, Soul of the Accord
18% of 28 decks +17% synergy
Ripjaw Raptor
18% of 28 decks +16% synergy
Orthion, Hero of Lavabrink
18% of 28 decks +16% synergy
Beast Whisperer
18% of 28 decks +6% synergy
Delighted Halfling
18% of 28 decks +6% synergy
Elvish Mystic
18% of 28 decks +1% synergy
Baylen, the Haymaker
16% of 19 decks +13% synergy
Mangara of Corondor
14% of 28 decks +14% synergy
Cacophodon
14% of 28 decks +14% synergy
Intrepid Hero
14% of 28 decks +14% synergy
Trapjaw Tyrant
14% of 28 decks +14% synergy
Godsire
14% of 28 decks +14% synergy
Stuffy Doll
14% of 28 decks +13% synergy
Flumph
14% of 28 decks +13% synergy
Ranging Raptors
14% of 28 decks +13% synergy
Atla Palani, Nest Tender
14% of 28 decks +13% synergy
Quirion Ranger
14% of 28 decks +12% synergy
Krenko, Mob Boss
14% of 28 decks +12% synergy
Jaxis, the Troublemaker
14% of 28 decks +12% synergy
Zirda, the Dawnwaker
14% of 28 decks +12% synergy
Fauna Shaman
14% of 28 decks +12% synergy
Arbor Elf
14% of 28 decks +8% synergy
Goblin Anarchomancer
14% of 28 decks +1% synergy
Shaman en-Kor
11% of 28 decks +11% synergy
Prismite
11% of 28 decks +11% synergy
Instants
Beast Within
29% of 28 decks -8% synergy
Legolas's Quick Reflexes
21% of 28 decks +19% synergy
Vitalize
18% of 28 decks +17% synergy
Generous Gift
18% of 28 decks -7% synergy
Heroic Intervention
18% of 28 decks -12% synergy
Rustler Rampage
14% of 28 decks +14% synergy
To Arms!
14% of 28 decks +14% synergy
Clever Concealment
14% of 28 decks +11% synergy
Lightning Bolt
14% of 28 decks +4% synergy
Chaos Warp
14% of 28 decks -17% synergy
Arcbond
11% of 28 decks +10% synergy
Final Showdown
11% of 28 decks +9% synergy
Rootborn Defenses
11% of 28 decks +8% synergy
Sundering Growth
11% of 28 decks +7% synergy
Chord of Calling
11% of 28 decks +5% synergy
Eladamri's Call
11% of 28 decks +0% synergy
Worldly Tutor
11% of 28 decks -3% synergy
Sorceries
Three Visits
29% of 28 decks +4% synergy
Blasphemous Act
25% of 28 decks -8% synergy
Cultivate
18% of 28 decks -27% synergy
Shamanic Revelation
14% of 28 decks +6% synergy
Hate Mirage
11% of 28 decks +10% synergy
Requisition Raid
11% of 28 decks +8% synergy
Twinflame
11% of 28 decks +8% synergy
Hour of Reckoning
11% of 28 decks +7% synergy
Finale of Devastation
11% of 28 decks +3% synergy
Harmonize
11% of 28 decks +2% synergy
Austere Command
11% of 28 decks -2% synergy
Utility Artifacts
Thousand-Year Elixir
29% of 28 decks +27% synergy
Illusionist's Bracers
25% of 28 decks +24% synergy
Magewright's Stone
21% of 28 decks +21% synergy
Halo Fountain
21% of 28 decks +19% synergy
Mimic Vat
18% of 28 decks +17% synergy
Lightning Greaves
14% of 28 decks -11% synergy
Swiftfoot Boots
14% of 28 decks -13% synergy
Umbral Mantle
11% of 28 decks +10% synergy
Agatha's Soul Cauldron
11% of 28 decks +9% synergy
Rings of Brighthearth
11% of 28 decks +9% synergy
Staff of Domination
11% of 28 decks +9% synergy
Helm of the Host
11% of 28 decks +8% synergy
Panharmonicon
11% of 28 decks +7% synergy
Idol of Oblivion
11% of 28 decks +6% synergy
Enchantments
Temur Ascendancy
30% of 10 decks +15% synergy
Dazzling Theater // Prop Room
21% of 14 decks +18% synergy
Utopia Sprawl
21% of 28 decks +14% synergy
Wild Growth
21% of 28 decks +11% synergy
Annie Joins Up
21% of 28 decks +9% synergy
Guardian Project
18% of 28 decks +9% synergy
Fertile Ground
14% of 28 decks +11% synergy
Impact Tremors
14% of 28 decks +4% synergy
Rhythm of the Wild
14% of 28 decks -9% synergy
Expedited Inheritance
11% of 28 decks +11% synergy
Splinter Twin
11% of 28 decks +10% synergy
Leyline Immersion
11% of 28 decks +10% synergy
Pariah
11% of 28 decks +10% synergy
Swift Reconfiguration
11% of 28 decks +10% synergy
Flameshadow Conjuring
11% of 28 decks +9% synergy
Passionate Archaeologist
11% of 28 decks +9% synergy
Growing Ranks
11% of 28 decks +8% synergy
Elven Chorus
11% of 28 decks +7% synergy
Cryptolith Rite
11% of 28 decks +7% synergy
Aggravated Assault
11% of 28 decks +7% synergy
Utility Lands
Maze of Ith
11% of 28 decks +8% synergy
Yavimaya, Cradle of Growth
11% of 28 decks +2% synergy
Mana Artifacts
Sol Ring
68% of 28 decks -16% synergy
Arcane Signet
64% of 28 decks -8% synergy
Fellwar Stone
25% of 28 decks +4% synergy
Springleaf Drum
18% of 28 decks +16% synergy
Talisman of Conviction
18% of 28 decks -6% synergy
Patriar's Seal
14% of 28 decks +13% synergy
Paradise Mantle
11% of 28 decks +10% synergy
Relic of Legends
11% of 28 decks +9% synergy
Talisman of Impulse
11% of 28 decks +1% synergy
Gruul Signet
11% of 28 decks -1% synergy
Boros Signet
11% of 28 decks -12% synergy
Lands
Command Tower
89% of 28 decks +15% synergy
Exotic Orchard
61% of 28 decks +25% synergy
Canopy Vista
43% of 28 decks +6% synergy
Clifftop Retreat
39% of 28 decks +9% synergy
Sunpetal Grove
36% of 28 decks +11% synergy
Cinder Glade
32% of 28 decks -6% synergy
Rejuvenating Springs
30% of 10 decks +2% synergy
Spara's Headquarters
30% of 10 decks +0% synergy
Breeding Pool
30% of 10 decks -10% synergy
Evolving Wilds
29% of 28 decks +8% synergy
Rootbound Crag
29% of 28 decks +4% synergy
Stomping Ground
29% of 28 decks -12% synergy
Sheltering Landscape
26% of 23 decks +18% synergy
Jetmir's Garden
25% of 28 decks -6% synergy
Sacred Foundry
25% of 28 decks -10% synergy
Temple Garden
25% of 28 decks -15% synergy
Mana Confluence
21% of 28 decks +14% synergy
City of Brass
21% of 28 decks +14% synergy
Lush Portico
21% of 28 decks +12% synergy
Wooded Foothills
21% of 28 decks +11% synergy
Windswept Heath
21% of 28 decks +11% synergy
Temple of Abandon
21% of 28 decks +7% synergy
Terramorphic Expanse
21% of 28 decks +6% synergy
Path of Ancestry
21% of 28 decks -0% synergy
Bountiful Promenade
21% of 28 decks -2% synergy
Spire Garden
21% of 28 decks -2% synergy
Jungle Shrine
21% of 28 decks -11% synergy
Cabaretti Courtyard
18% of 28 decks +16% synergy
Commercial District
18% of 28 decks +9% synergy
Arid Mesa
18% of 28 decks +8% synergy
Furycalm Snarl
18% of 28 decks +4% synergy
Spectator Seating
18% of 28 decks -7% synergy
Battlefield Forge
18% of 28 decks -8% synergy
Krosan Verge
14% of 28 decks +12% synergy
Forbidden Orchard
14% of 28 decks +12% synergy
Thriving Heath
14% of 28 decks +11% synergy
Elegant Parlor
14% of 28 decks +7% synergy
Scalding Tarn
14% of 28 decks +3% synergy
Misty Rainforest
14% of 28 decks +3% synergy
Sungrass Prairie
14% of 28 decks +2% synergy
Temple of Plenty
14% of 28 decks +1% synergy
Fortified Village
14% of 28 decks -1% synergy
Game Trail
14% of 28 decks -2% synergy
Temple of Triumph
14% of 28 decks -3% synergy
Rockfall Vale
14% of 28 decks -8% synergy
Scene of the Crime
11% of 28 decks +10% synergy
Thriving Bluff
11% of 28 decks +8% synergy
Sheltered Thicket
11% of 28 decks +2% synergy
Scattered Groves
11% of 28 decks +2% synergy
Bloodstained Mire
11% of 28 decks +0% synergy