Sandsteppe Mastodon + Roaring Primadox + Sage of Hours
Sandsteppe Mastodon
Roaring Primadox
Sage of Hours
Requires
Sandsteppe Mastodon must be in hand.
Roaring Primadox must be on the battlefield.
Sage of Hours must be on the battlefield.
Sage of Hours has the lowest toughness or is tied for the lowest toughness among creatures you control.
Mana needed: 
each turn
each turn
Steps
- Cast Sandsteppe Mastodon by paying .
- Sandsteppe Mastodon enters the battlefield, putting five +1/+1 counters on Sage of Hours.
- Activate Sage of Hours by removing all +1/+1 counters from it, causing you to take at least one extra turn after this one.
- Move to your next turn.
- At the begging of your upkeep, Roaring Primadox triggers, causing you to return Sandsteppe Mastodon from the battlefield to your hand.
- Repeat.
Results
Infinite turns.
Ezuri, Claw of Progress
0.03% of 6258 decks
2 decks
Animar, Soul of Elements
0.01% of 15877 decks
1 decks
Atraxa, Praetors' Voice
0.00% of 35211 decks
1 decks
Experiment Kraj
0.09% of 1176 decks
1 decks
Progenitus
0.04% of 2853 decks
1 decks
High Synergy Cards
Forgotten Ancient
67% of 6 decks
+61% synergy
Creatures
Bringer of the Green Dawn
100% of 1 decks
+100% synergy
Bringer of the White Dawn
100% of 1 decks
+100% synergy
Bringer of the Red Dawn
100% of 1 decks
+100% synergy
Skyshroud Elf
100% of 1 decks
+100% synergy
Denry Klin, Editor in Chief
100% of 1 decks
+99% synergy
Bringer of the Blue Dawn
100% of 1 decks
+99% synergy
Glissa, Herald of Predation
100% of 1 decks
+99% synergy
Svella, Ice Shaper
100% of 1 decks
+99% synergy
Bringer of the Black Dawn
100% of 1 decks
+99% synergy
Hellkite Courser
100% of 1 decks
+99% synergy
Narset, Enlightened Master
100% of 1 decks
+99% synergy
Najeela, the Blade-Blossom
100% of 1 decks
+97% synergy
O-Kagachi, Vengeful Kami
100% of 1 decks
+96% synergy
Jodah, Archmage Eternal
100% of 1 decks
+96% synergy
Sovereign Okinec Ahau
100% of 1 decks
+95% synergy
Maelstrom Archangel
100% of 1 decks
+95% synergy
Esika, God of the Tree
100% of 1 decks
+93% synergy
Ramos, Dragon Engine
100% of 1 decks
+92% synergy
Kutzil, Malamet Exemplar
100% of 1 decks
+81% synergy
Kami of Whispered Hopes
67% of 3 decks
+59% synergy
Stampeding Wildebeests
50% of 6 decks
+50% synergy
Kraum, Ludevic's Opus
50% of 2 decks
+50% synergy
Khenra Charioteer
50% of 2 decks
+50% synergy
Nikya of the Old Ways
50% of 2 decks
+50% synergy
Rubblehulk
50% of 2 decks
+49% synergy
Blazing Archon
50% of 2 decks
+49% synergy
Savageborn Hydra
50% of 2 decks
+49% synergy
Apocalypse Hydra
50% of 2 decks
+49% synergy
Zhur-Taa Ancient
50% of 2 decks
+49% synergy
Angelic Skirmisher
50% of 2 decks
+49% synergy
Silverclad Ferocidons
50% of 2 decks
+49% synergy
Neheb, Dreadhorde Champion
50% of 2 decks
+49% synergy
Lathiel, the Bounteous Dawn
50% of 2 decks
+48% synergy
Raff Capashen, Ship's Mage
50% of 2 decks
+48% synergy
Legion Warboss
50% of 2 decks
+48% synergy
Phylath, World Sculptor
50% of 2 decks
+48% synergy
Neheb, the Eternal
50% of 2 decks
+48% synergy
Combustible Gearhulk
50% of 2 decks
+47% synergy
Roaming Throne
50% of 2 decks
+40% synergy
Llanowar Elves
50% of 6 decks
+29% synergy
Stampeding Serow
33% of 6 decks
+33% synergy
Horseshoe Crab
33% of 6 decks
+33% synergy
Simic Manipulator
33% of 6 decks
+33% synergy
Zameck Guildmage
33% of 6 decks
+33% synergy
Boreal Druid
33% of 6 decks
+31% synergy
Gyre Sage
33% of 6 decks
+30% synergy
Fathom Mage
33% of 6 decks
+29% synergy
Incubation Druid
33% of 6 decks
+28% synergy
Arbor Elf
33% of 6 decks
+27% synergy
Champion of Lambholt
33% of 6 decks
+26% synergy
Instants
Chance for Glory
100% of 1 decks
+99% synergy
Vraska's Fall
100% of 1 decks
+97% synergy
Swords to Plowshares
100% of 2 decks
+37% synergy
Grim Affliction
50% of 2 decks
+49% synergy
Sylvan Reclamation
50% of 2 decks
+49% synergy
Experimental Augury
50% of 4 decks
+47% synergy
Valakut Awakening
50% of 2 decks
+44% synergy
Arcane Denial
50% of 6 decks
+30% synergy
Teferi's Protection
50% of 2 decks
+30% synergy
Counterspell
50% of 6 decks
+7% synergy
Prologue to Phyresis
33% of 3 decks
+31% synergy
Inspiring Call
33% of 6 decks
+26% synergy
Mana Drain
33% of 6 decks
+18% synergy
Beast Within
33% of 6 decks
-6% synergy
Silkguard
25% of 4 decks
+23% synergy
An Offer You Can't Refuse
25% of 4 decks
+4% synergy
Battlegrowth
17% of 6 decks
+17% synergy
Artisan's Sorrow
17% of 6 decks
+17% synergy
Bind
17% of 6 decks
+17% synergy
Aggressive Urge
17% of 6 decks
+16% synergy
Spore Swarm
17% of 6 decks
+16% synergy
Annul
17% of 6 decks
+16% synergy
Fuel for the Cause
17% of 6 decks
+16% synergy
Incubation // Incongruity
17% of 6 decks
+16% synergy
Clockspinning
17% of 6 decks
+16% synergy
Didn't Say Please
17% of 6 decks
+15% synergy
Cancel
17% of 6 decks
+15% synergy
Blue Sun's Zenith
17% of 6 decks
+14% synergy
Mystic Confluence
17% of 6 decks
+14% synergy
Aetherize
17% of 6 decks
+11% synergy
Noxious Revival
17% of 6 decks
+11% synergy
Fact or Fiction
17% of 6 decks
+10% synergy
Rapid Hybridization
17% of 6 decks
+7% synergy
Worldly Tutor
17% of 6 decks
+3% synergy
Swan Song
17% of 6 decks
+0% synergy
Brainstorm
17% of 6 decks
-5% synergy
Negate
17% of 6 decks
-6% synergy
Cyclonic Rift
17% of 6 decks
-11% synergy
Sorceries
Sunder the Gateway
100% of 1 decks
+100% synergy
Violent Ultimatum
100% of 1 decks
+100% synergy
Inspired Ultimatum
100% of 1 decks
+99% synergy
Infectious Inquiry
100% of 1 decks
+97% synergy
Titanic Ultimatum
100% of 1 decks
+97% synergy
Cruel Ultimatum
100% of 1 decks
+97% synergy
White Sun's Twilight
100% of 1 decks
+97% synergy
Conflux
100% of 1 decks
+96% synergy
Ruinous Ultimatum
100% of 1 decks
+82% synergy
Oketra's Last Mercy
50% of 2 decks
+50% synergy
Brilliant Ultimatum
50% of 2 decks
+49% synergy
Emergent Ultimatum
50% of 2 decks
+47% synergy
Wargate
50% of 2 decks
+47% synergy
Tezzeret's Gambit
50% of 6 decks
+46% synergy
Genesis Ultimatum
50% of 2 decks
+44% synergy
Vindicate
50% of 2 decks
+43% synergy
Eerie Ultimatum
50% of 2 decks
+37% synergy
Toxic Deluge
50% of 2 decks
+33% synergy
Blasphemous Act
50% of 2 decks
+16% synergy
Fungal Sprouting
33% of 6 decks
+33% synergy
Kodama's Reach
33% of 6 decks
+2% synergy
Cultivate
33% of 6 decks
-13% synergy
Body of Research
25% of 4 decks
+24% synergy
Titania's Command
25% of 4 decks
+23% synergy
Reshape the Earth
20% of 5 decks
+18% synergy
Amass the Components
17% of 6 decks
+17% synergy
Seeds of Renewal
17% of 6 decks
+17% synergy
Biomantic Mastery
17% of 6 decks
+17% synergy
Acorn Harvest
17% of 6 decks
+16% synergy
Bribery
17% of 6 decks
+16% synergy
Elvish Promenade
17% of 6 decks
+15% synergy
Personal Tutor
17% of 6 decks
+15% synergy
Tooth and Nail
17% of 6 decks
+15% synergy
Ponder
17% of 6 decks
+4% synergy
Three Visits
17% of 6 decks
-8% synergy
Nature's Lore
17% of 6 decks
-15% synergy
Farseek
17% of 6 decks
-18% synergy
Rampant Growth
17% of 6 decks
-18% synergy
Utility Artifacts
Door to Nothingness
100% of 1 decks
+96% synergy
Fist of Suns
100% of 1 decks
+93% synergy
The Millennium Calendar
50% of 2 decks
+49% synergy
Staff of Domination
33% of 6 decks
+32% synergy
Ozolith, the Shattered Spire
33% of 3 decks
+27% synergy
Magistrate's Scepter
17% of 6 decks
+16% synergy
Crystal Chimes
17% of 6 decks
+16% synergy
Sword of the Paruns
17% of 6 decks
+16% synergy
Umbral Mantle
17% of 6 decks
+16% synergy
Contagion Engine
17% of 6 decks
+16% synergy
Illusionist's Bracers
17% of 6 decks
+15% synergy
Contagion Clasp
17% of 6 decks
+15% synergy
Aether Spellbomb
17% of 6 decks
+15% synergy
Rings of Brighthearth
17% of 6 decks
+15% synergy
The Ozolith
17% of 6 decks
+13% synergy
The Great Henge
17% of 6 decks
+7% synergy
Lightning Greaves
17% of 6 decks
-9% synergy
Swiftfoot Boots
17% of 6 decks
-11% synergy
Enchantments
Brokers Ascendancy
100% of 1 decks
+93% synergy
Happily Ever After
50% of 2 decks
+50% synergy
Honden of Cleansing Fire
50% of 2 decks
+49% synergy
Fiery Emancipation
50% of 2 decks
+46% synergy
Simic Ascendancy
50% of 6 decks
+45% synergy
Cathars' Crusade
50% of 2 decks
+44% synergy
Ghostly Prison
50% of 2 decks
+38% synergy
Rhythm of the Wild
50% of 2 decks
+27% synergy
Pemmin's Aura
33% of 6 decks
+32% synergy
Careful Cultivation
25% of 4 decks
+25% synergy
Endless Evil
25% of 4 decks
+24% synergy
Master Chef
25% of 4 decks
+23% synergy
Abduction
17% of 6 decks
+17% synergy
Aboshan's Desire
17% of 6 decks
+17% synergy
Mind Over Matter
17% of 6 decks
+16% synergy
Control Magic
17% of 6 decks
+16% synergy
Helix Pinnacle
17% of 6 decks
+16% synergy
Corrupted Conscience
17% of 6 decks
+16% synergy
Frogify
17% of 6 decks
+16% synergy
Arcane Adaptation
17% of 6 decks
+15% synergy
Abundant Growth
17% of 6 decks
+15% synergy
Sandwurm Convergence
17% of 6 decks
+15% synergy
Hadana's Climb
17% of 6 decks
+15% synergy
As Foretold
17% of 6 decks
+15% synergy
Freed from the Real
17% of 6 decks
+15% synergy
Hydra's Growth
17% of 6 decks
+14% synergy
Retreat to Coralhelm
17% of 6 decks
+14% synergy
Zendikar Resurgent
17% of 6 decks
+14% synergy
Asceticism
17% of 6 decks
+14% synergy
Branching Evolution
17% of 6 decks
+12% synergy
Beastmaster Ascension
17% of 6 decks
+11% synergy
Utopia Sprawl
17% of 6 decks
+9% synergy
Guardian Project
17% of 6 decks
+8% synergy
Hardened Scales
17% of 6 decks
+8% synergy
Propaganda
17% of 6 decks
+5% synergy
Planeswalkers
Nicol Bolas, Planeswalker
100% of 1 decks
+98% synergy
Vraska, Betrayal's Sting
100% of 1 decks
+96% synergy
Teferi, Hero of Dominaria
50% of 2 decks
+48% synergy
Nissa, Ascended Animist
25% of 4 decks
+23% synergy
Nissa, Voice of Zendikar
17% of 6 decks
+16% synergy
Jace, the Mind Sculptor
17% of 6 decks
+15% synergy
Oko, Thief of Crowns
17% of 6 decks
+11% synergy
Utility Lands
Calciform Pools
50% of 2 decks
+49% synergy
Drannith Ruins
50% of 2 decks
+49% synergy
Great Hall of the Citadel
50% of 2 decks
+49% synergy
Gavony Township
50% of 2 decks
+40% synergy
Bojuka Bog
50% of 2 decks
+20% synergy
Nesting Grounds
33% of 6 decks
+32% synergy
Novijen, Heart of Progress
33% of 6 decks
+32% synergy
Oran-Rief, the Vastwood
33% of 6 decks
+28% synergy
Karn's Bastion
33% of 6 decks
+28% synergy
Alchemist's Refuge
33% of 6 decks
+27% synergy
Reliquary Tower
33% of 6 decks
+4% synergy
Yavimaya, Cradle of Growth
25% of 4 decks
+16% synergy
Tyrite Sanctum
20% of 5 decks
+18% synergy
Magosi, the Waterveil
17% of 6 decks
+17% synergy
Zoetic Cavern
17% of 6 decks
+16% synergy
Inkmoth Nexus
17% of 6 decks
+16% synergy
Zhalfirin Void
17% of 6 decks
+16% synergy
Desert of the Indomitable
17% of 6 decks
+15% synergy
Khalni Garden
17% of 6 decks
+15% synergy
Lumbering Falls
17% of 6 decks
+14% synergy
Gaea's Cradle
17% of 6 decks
+11% synergy
Temple of the False God
17% of 6 decks
+7% synergy
Rogue's Passage
17% of 6 decks
-3% synergy
Mana Artifacts
Sol Ring
100% of 6 decks
+16% synergy
Azorius Signet
50% of 2 decks
+24% synergy
Orzhov Signet
50% of 2 decks
+23% synergy
Chromatic Lantern
33% of 6 decks
+24% synergy
Simic Signet
33% of 6 decks
+19% synergy
Commander's Sphere
33% of 6 decks
+18% synergy
Arcane Signet
33% of 6 decks
-39% synergy
Staff of Compleation
25% of 4 decks
+23% synergy
Pyramid of the Pantheon
17% of 6 decks
+17% synergy
Pentad Prism
17% of 6 decks
+16% synergy
Astral Cornucopia
17% of 6 decks
+15% synergy
Pristine Talisman
17% of 6 decks
+15% synergy
Lands
Blightstep Pathway
100% of 1 decks
+90% synergy
Overflowing Basin
100% of 1 decks
+89% synergy
Gruul Turf
100% of 2 decks
+84% synergy
Spectator Seating
100% of 1 decks
+75% synergy
Training Center
100% of 1 decks
+72% synergy
Raffine's Tower
100% of 1 decks
+72% synergy
Spara's Headquarters
100% of 1 decks
+68% synergy
Command Tower
67% of 6 decks
-7% synergy
Timber Gorge
50% of 2 decks
+49% synergy
Highland Lake
50% of 2 decks
+48% synergy
Gruul Guildgate
50% of 2 decks
+45% synergy
Izzet Guildgate
50% of 2 decks
+45% synergy
Tangled Islet
50% of 4 decks
+42% synergy
Branchloft Pathway
50% of 2 decks
+42% synergy
Cragcrown Pathway
50% of 2 decks
+41% synergy
Brightclimb Pathway
50% of 2 decks
+40% synergy
Selesnya Sanctuary
50% of 2 decks
+36% synergy
Azorius Chancery
50% of 2 decks
+35% synergy
Izzet Boilerworks
50% of 2 decks
+34% synergy
Dreamroot Cascade
50% of 4 decks
+31% synergy
Sandsteppe Citadel
50% of 2 decks
+24% synergy
Vault of Champions
50% of 2 decks
+24% synergy
Undergrowth Stadium
50% of 2 decks
+24% synergy
Frontier Bivouac
50% of 2 decks
+23% synergy
Zagoth Triome
50% of 2 decks
+19% synergy
Indatha Triome
50% of 2 decks
+19% synergy
Exotic Orchard
50% of 6 decks
+14% synergy
Temple Garden
50% of 2 decks
+9% synergy
Godless Shrine
50% of 2 decks
+9% synergy
Watery Grave
50% of 2 decks
+9% synergy
Hallowed Fountain
50% of 2 decks
+9% synergy
Overgrown Tomb
50% of 2 decks
+7% synergy
Rejuvenating Springs
40% of 5 decks
+11% synergy
Simic Guildgate
33% of 6 decks
+27% synergy
Myriad Landscape
33% of 6 decks
+14% synergy
Evolving Wilds
33% of 6 decks
+12% synergy
Hinterland Harbor
33% of 6 decks
+6% synergy
Vineglimmer Snarl
25% of 4 decks
+15% synergy
Rimewood Falls
20% of 5 decks
+15% synergy
Woodland Stream
17% of 6 decks
+15% synergy
Forbidden Orchard
17% of 6 decks
+14% synergy
Botanical Sanctum
17% of 6 decks
+13% synergy
Prismatic Vista
17% of 6 decks
+11% synergy
Thornwood Falls
17% of 6 decks
+9% synergy
Waterlogged Grove
17% of 6 decks
+9% synergy
Windswept Heath
17% of 6 decks
+6% synergy
Flooded Strand
17% of 6 decks
+6% synergy
Marsh Flats
17% of 6 decks
+5% synergy
Verdant Catacombs
17% of 6 decks
+5% synergy
Misty Rainforest
17% of 6 decks
+5% synergy