Amoeboid Changeling + Coercive Recruiter + Spawning Pit + Valkyrie's Call

URW identity

Commander legal

The 4 combo pieces

• Amoeboid Changeling
• Coercive Recruiter
• Spawning Pit
• Valkyrie's Call

What must be in place

Amoeboid Changeling does not have summoning sickness.

How to execute it

1. Activate Amoeboid Changeling's second ability by tapping it, removing all creature types from Coercive Recruiter.
2. Activate Spawning Pit by sacrificing Coercive Recruiter.
3. When Coercive Recruiter dies, Valkyrie's Call triggers, returning Coercive Recruiter from your graveyard to the battlefield as an Angel with flying and a +1/+1 counter on it.
4. When Coercive Recruiter enters the battlefield, it triggers, untapping Amoeboid Changeling.
5. Resolve the Spawning Pit ability, putting a charge counter on it.
6. Repeat.

What the combo produces

• Infinite charge counters on a permanent
• Infinite creature LTB
• Infinite death triggers
• Infinite ETB
• Infinite sacrifice triggers