Boa Constrictor + Devoted Druid + Necrotic Ooze

BG identity

Commander legal

The 3 combo pieces

• Boa Constrictor
• Devoted Druid
• Necrotic Ooze

What must be in place

Necrotic Ooze does not have summoning sickness.
It is your precombat main phase.

How to execute it

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.

What the combo produces

• Infinite green mana
• Infinitely large creature until end of turn