How can you create a combo with Myr Propagator, Umbral Mantle, Krark-Clan Ironworks, Training Grounds?
user
[START OF COMBO]This combo can be formed with Myr Propagator, Umbral Mantle, Krark-Clan Ironworks, Training Grounds

Color identity: U
Mana cost: {1}
Steps:
  1. Activate Myr Propagator by paying {1} and tapping it, creating a token copy of itself.
  2. Activate Krark-Clan Ironworks 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.[END OF COMBO STEPS]

Result:
  - Infinite death triggers
  - Infinite enters the battlefield
  - Infinite leaves the battlefield
  - Infinitely large Myr Propagator until end of turn
  - Infinite sacrifice triggers[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - All permanants must be on the battlefield
  - Umbral Mantle attached to Myr Propagator.
  - Myr Propagator does not have summoning sickness.
[END OF COMBO PREREQUISITES]
assistant