Viscera Seer + Furystoke Giant + Hardened Academic

Viscera Seer

Furystoke Giant

Hardened Academic

How it works

1. Activate Viscera Seer by sacrificing Furystoke Giant.
2. When Furystoke Giant dies, its persist ability triggers, returning it from your graveyard to the battlefield with a -1/-1 counter on it.
3. Hardened Academic triggers, putting a +1/+1 counter on Furystoke Giant.
4. Resolve the Viscera Seer ability.
5. Repeat.