Havengul Lich + Grimgrin, Corpse-Born + Honor-Worn Shaku + Su-Chi

Havengul Lich

Grimgrin, Corpse-Born

Honor-Worn Shaku

Su-Chi

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 Su-Chi, untapping Grimgrin and putting a +1/+1 counter on it.
4. When Su-Chi dies, it triggers, adding mana equal to its casting cost.
5. Activate Havengul Lich by paying 1, allowing you to cast Su-Chi from your graveyard this turn.
6. Cast Su-Chi from your graveyard by paying its casting cost.
7. Repeat.