Grimgrin, Corpse-Born + Gravecrawler + Relic of Legends

Grimgrin, Corpse-Born

Gravecrawler

Relic of Legends

How it works

1. Activate Grimgrin by tapping it, adding .
2. Activate Grimgrin by sacrificing Gravecrawler, untapping Grimgrin and putting a +1/+1 counter on it.
3. Cast Gravecrawler from your graveyard by paying .
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 .
7. Cast Gravecrawler from your graveyard by paying .
8. Repeat.

This elegant loop turns the mindless hunger of the undead into an infinite engine of growth and sacrifice. With Gravecrawler providing a persistent, recurring zombie to feed to Grimgrin, Corpse-Born, you can endlessly sacrifice and recast it to pump Grimgrin full of infinite +1/+1 counters. Meanwhile, Relic of Legends plays a crucial supportive role by tapping our legendary zombie horror for mana, helping to fund the continuous casting costs of the crawling corpse.