How can you create a combo with Trostani, Selesnya's Voice, Lurking Roper, Presence of Gond?
user
[START OF COMBO]This combo can be formed with Trostani, Selesnya's Voice, Lurking Roper, Presence of Gond

Color identity: GW
Mana cost: 
Steps:
  1. Activate Lurking Roper by tapping it, creating a 1/1 Elf Warrior creature token.
  2. The Elf Warrior enters the battlefield, triggering Trostani, causing you to gain life equal to the Elf Warrior's toughness.
  3. Lurking Roper triggers, untapping itself.
  4. Repeat.[END OF COMBO STEPS]

Result:
  - Infinite creature tokens
  - Infinite enters the battlefield
  - Infinite lifegain
  - Infinite lifegain triggers[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - All permanants must be on the battlefield
  - Presence of Gond attached to Lurking Roper.
  - Lurking Roper does not have summoning sickness.
[END OF COMBO PREREQUISITES]
assistant