How can you create a combo with Grimgrin, Corpse-Born, Gravecrawler, Cryptolith Rite?
user
[START OF COMBO]This combo can be formed with Grimgrin, Corpse-Born, Gravecrawler, Cryptolith Rite

Color identity: BGU
Mana cost: 
Steps:
  1. Activate Grimgrin by tapping it, adding {B}.
  2. Activate Grimgrin by sacrificing Gravecrawler, untapping Grimgrin and putting a +1/+1 counter on it.
  3. Cast Gravecrawler from your graveyard by paying {B}.
  4. Repeat.[END OF COMBO STEPS]

Result:
  - Infinite +1/+1 counters on Grimgrin
  - Infinite death triggers
  - Infinite enters the battlefield
  - Infinite leaves the battlefield
  - Infinite sacrifice triggers
  - Infinite storm count[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - All permanants must be on the battlefield
  - Grimgrin does not have summoning sickness.
[END OF COMBO PREREQUISITES]
assistant