How can you create a combo with Stonybrook Schoolmaster, Paradise Mantle, Umbral Mantle, Training Grounds?
user
[START OF COMBO]This combo can be formed with Stonybrook Schoolmaster, Paradise Mantle, Umbral Mantle, Training Grounds

Color identity: WU
Mana cost: 
Steps:
  1. Activate Stonybrook Schoolmaster by tapping it, adding {1}.
  2. Stonybrook Schoolmaster triggers, creating a 1/1 Merfolk Wizard creature token.
  3. Activate Stonybrook Schoolmaster by paying {1} and untapping it, giving it +2/+2 until end of turn.
  4. Repeat.[END OF COMBO STEPS]

Result:
  - Infinite creature tokens
  - Infinite enters the battlefield
  - Infinitely large Stonybrook Schoolmaster until end of turn[END OF COMBO RESULT][END OF COMBO]

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