Ghired, Mirror of the Wilds + Galvanic Juggernaut + Grimgrin, Corpse-Born

Ghired, Mirror of the Wilds

Galvanic Juggernaut

Grimgrin, Corpse-Born

How it works

1. Create a creature token.
2. Activate Galvanic Juggernaut by tapping it, creating a copy of the creature token.
3. Activate Grimgrin by sacrificing a creature token.
4. When the creature token dies, Galvanic Juggernaut triggers, untapping itself.
5. Resolve the Grimgrin ability
6. Repeat from step 2.
7. Activate Grimgrin by tapping it, creating a token copy of any creature token you control that entered the battlefield this turn.
8. Activate Grimgrin by sacrificing the creature token created in step 1, untapping Grimgrin and putting a +1/+1 counter on it.
9. Repeat.