Necrotic Ooze
Boa Constrictor
Devoted Druid

   Prerequisites

What do I need to start this combo?
Necrotic Ooze on the battlefield.
Boa Constrictor and Devoted Druid in your graveyard.
Necrotic Ooze does not have summoning sickness. It is your precombat main phase.

   Steps

How does this combo work?
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

What do I get from this combo?
Infinite green mana
Infinitely large Necrotic Ooze until end of turn
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