Necrotic Ooze + Boa Constrictor + Devoted Druid

Necrotic Ooze
Boa Constrictor
Devoted Druid

Requires
Necrotic Ooze must be on the battlefield. Boa Constrictor must be in the graveyard. Devoted Druid must be in the graveyard. Necrotic Ooze does not have summoning sickness. It is your precombat main phase.
Steps
  1. Activate Necrotic Ooze using Boa Constrictor's ability by tapping it, giving it +3/+3 until end of turn.
  2. Activate Necrotic Ooze using Devoted Druid's second ability by putting a -1/-1 counter on it, untapping it.
  3. Repeat.
  4. Once Necrotic Ooze has infinite toughness, you may instead use Devoted Druid's first ability to get infinite green mana.
Results
Infinite green mana. Infinitely large Necrotic Ooze until end of turn.

Top Commanders (1)
Varolz, the Scar-Striped
0.09% of 1167 decks 1 decks
Creatures (34)
Spinebiter
100% of 1 decks +100% synergy
Whispering Specter
100% of 1 decks +100% synergy
Rot Wolf
100% of 1 decks +100% synergy
Phyrexian Dreadnought
100% of 1 decks +100% synergy
Phyrexian Crusader
100% of 1 decks +100% synergy
Force of Savagery
100% of 1 decks +100% synergy
Death's Shadow
100% of 1 decks +100% synergy
Blight Mamba
100% of 1 decks +99% synergy
Plague Myr
100% of 1 decks +99% synergy
Fain, the Broker
100% of 1 decks +99% synergy
Riftsweeper
100% of 1 decks +99% synergy
Glistener Elf
100% of 1 decks +99% synergy
Body Snatcher
100% of 1 decks +99% synergy
Viridian Corrupter
100% of 1 decks +99% synergy
Lotleth Troll
100% of 1 decks +99% synergy
Triskelion
100% of 1 decks +99% synergy
Hunted Horror
100% of 1 decks +99% synergy
Plague Stinger
100% of 1 decks +99% synergy
Phyrexian Soulgorger
100% of 1 decks +99% synergy
Gyre Sage
100% of 1 decks +98% synergy
Walking Ballista
100% of 1 decks +98% synergy
Daemogoth Woe-Eater
100% of 1 decks +97% synergy
Lord of Extinction
100% of 1 decks +96% synergy
Daemogoth Titan
100% of 1 decks +96% synergy
Protean Hulk
100% of 1 decks +94% synergy
Fauna Shaman
100% of 1 decks +93% synergy
Corpsejack Menace
100% of 1 decks +93% synergy
Kami of Whispered Hopes
100% of 1 decks +93% synergy
Mosswood Dreadknight
100% of 1 decks +90% synergy
Arbor Elf
100% of 1 decks +89% synergy
Deathrite Shaman
100% of 1 decks +82% synergy
Elves of Deep Shadow
100% of 1 decks +75% synergy
Pili-Pala
100% of 1 decks +100% synergy
Crystalline Crawler
100% of 1 decks +100% synergy
Instants (7)
Reincarnation
100% of 1 decks +100% synergy
Momentous Fall
100% of 1 decks +97% synergy
Tainted Strike
100% of 1 decks +96% synergy
Entomb
100% of 1 decks +91% synergy
Tamiyo's Safekeeping
100% of 1 decks +90% synergy
Heroic Intervention
100% of 1 decks +72% synergy
Assassin's Trophy
100% of 1 decks +58% synergy
Sorceries (10)
Infectious Inquiry
100% of 1 decks +98% synergy
Unmarked Grave
100% of 1 decks +97% synergy
Life // Death
100% of 1 decks +96% synergy
Unearth
100% of 1 decks +95% synergy
Skyshroud Claim
100% of 1 decks +94% synergy
Finale of Devastation
100% of 1 decks +93% synergy
Night's Whisper
100% of 1 decks +92% synergy
Reanimate
100% of 1 decks +85% synergy
Demonic Tutor
100% of 1 decks +81% synergy
Rise of the Witch-king
100% of 1 decks +81% synergy
Enchantments (9)
Tortured Existence
100% of 1 decks +98% synergy
Pattern of Rebirth
100% of 1 decks +98% synergy
Phyresis
100% of 1 decks +98% synergy
Survival of the Fittest
100% of 1 decks +98% synergy
Branching Evolution
100% of 1 decks +97% synergy
Utopia Sprawl
100% of 1 decks +94% synergy
Greater Good
100% of 1 decks +93% synergy
Wild Growth
100% of 1 decks +88% synergy
Sylvan Library
100% of 1 decks +87% synergy
Utility Lands (6)
Inkmoth Nexus
100% of 1 decks +99% synergy
Minas Morgul, Dark Fortress
100% of 1 decks +97% synergy
The Black Gate
100% of 1 decks +97% synergy
Shizo, Death's Storehouse
100% of 1 decks +94% synergy
Boseiju, Who Endures
100% of 1 decks +80% synergy
Yavimaya, Cradle of Growth
100% of 1 decks +70% synergy
Mana Artifacts (1)
Sol Ring
100% of 1 decks +20% synergy
Lands (13)
Mana Confluence
100% of 1 decks +96% synergy
City of Brass
100% of 1 decks +96% synergy
Prismatic Vista
100% of 1 decks +93% synergy
Bayou
100% of 1 decks +88% synergy
Nurturing Peatland
100% of 1 decks +85% synergy
Twilight Mire
100% of 1 decks +76% synergy
Verdant Catacombs
100% of 1 decks +69% synergy
Deathcap Glade
100% of 1 decks +68% synergy
Undergrowth Stadium
100% of 1 decks +58% synergy
Overgrown Tomb
100% of 1 decks +52% synergy
Woodland Cemetery
100% of 1 decks +49% synergy
Llanowar Wastes
100% of 1 decks +48% synergy
Command Tower
100% of 1 decks +15% synergy