Gravecrawler + Grimgrin, Corpse-Born + Relic of Legends

UB identity

Commander legal

The 3 combo pieces

How to execute it

  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.
  5. Activate Grimgrin by sacrificing Gravecrawler, untapping Grimgrin and putting a +1/+1 counter on it.
  6. Activate Relic of Legends' second ability by tapping Grimgrin, adding {B}.
  7. Cast Gravecrawler from your graveyard by paying {B}.
  8. Repeat.

What the combo produces