Ashnod's Altar + Myr Propagator + Training Grounds + Umbral Mantle

Mana needed: {1}

U identity

Commander legal

The 4 combo pieces

• Ashnod's Altar
• Myr Propagator
• Training Grounds
• Umbral Mantle

What must be in place

Umbral Mantle attached to Myr Propagator.
Myr Propagator does not have summoning sickness.

How to execute it

1. Activate Myr Propagator by paying {1} and tapping it, creating a token copy of itself.
2. Activate Ashnod's Altar by sacrificing the Myr Propagator token, adding {C}{C}.
3. Activate Myr Propagator by paying {1} and untapping it, giving itself +2/+2 until end of turn.
4. Repeat.

What the combo produces

• Infinite creature LTB
• Infinite death triggers
• Infinite ETB
• Infinite sacrifice triggers
• Infinitely large creature until end of turn