Myr Propagator, Umbral Mantle, Krark-Clan Ironworks, and Training Grounds

Prerequisites

• Myr Propagator on the battlefield
• Umbral Mantle on the battlefield
• Krark-Clan Ironworks on the battlefield
• Training Grounds on the battlefield
• Umbral Mantle attached to Myr Propagator
• Myr Propagator does not have summoning sickness
• available

Steps

1. Activate Myr Propagator by paying and tapping it, creating a token copy of itself
2. Activate Krark-Clan Ironworks by sacrificing the Myr Propagator token, adding
3. Activate Myr Propagator by paying and untapping it, giving itself +2/+2 until end of turn
4. Repeat

Results

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