How can you create a combo with Umbral Mantle, Task Force, Worthy Cause?
user
[START OF COMBO]This combo can be formed with Umbral Mantle, Task Force, Worthy Cause

Color identity: W
Mana cost: {W}
Steps:
  1. Activate Umbral Mantle's equip ability by paying {0}, targeting Task Force.
  2. Task Force triggers, giving itself +0/+3 until end of turn.
  3. Resolve the Umbral Mantle ability, attaching it to Task Force.
  4. Repeat from step 1 an arbitrarily large number of times.
  5. Cast Worthy Cause by paying {W} and by sacrificing Task Force, causing you to gain life equal to Task Force's toughness.[END OF COMBO STEPS]

Result:
  - Infinite lifegain[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - Umbral Mantle must be on the battlefield
  - Task Force must be on the battlefield
  - Worthy Cause must be in your hand
[END OF COMBO PREREQUISITES]
assistant