Stalwart Successor + Furystoke Giant + Bloodflow Connoisseur

Stalwart Successor

Furystoke Giant

Bloodflow Connoisseur

How it works

1. Activate Bloodflow Connoisseur 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. When Furystoke Giant enters, Stalwart Successor triggers, putting a +1/+1 counter on Furystoke Giant
4. Resolve the Bloodflow Connoisseur ability.
5. Repeat.