Havengul Lich + Grimgrin, Corpse-Born + Honor-Worn Shaku + Phenomenon Investigators

Havengul Lich

Grimgrin, Corpse-Born

Honor-Worn Shaku

Phenomenon Investigators

How it works

1. Activate Honor-Worn Shaku's first ability by tapping it, adding .
2. Activate Honor-Worn Shaku's last ability by tapping Grimgrin, untapping Honor-Worn Shaku.
3. Activate Grimgrin by sacrificing the creature castable for one mana, untapping Grimgrin and putting a +1/+1 counter on it.
4. When that creature dies, Phenomenon Investigators triggers, creating a creature token or a token that adds mana.
5. If you created a creature token, repeat steps 1 and 2 to sacrifice that token and add an additional mana.
6. If you created a token that adds mana, instead activate that token to add mana.
7. Activate Havengul Lich by paying 1, allowing you to cast the sacrificed creature from your graveyard this turn.
8. Cast that creature from your graveyard by paying one mana.
9. Repeat.