Mikaeus, the Unhallowed + Furystoke Giant + Bartolomé del Presidio

Mikaeus, the Unhallowed

Furystoke Giant

Bartolomé del Presidio

How it works

1. Activate Bartolomé del Presidio 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. Resolve the Bartolomé del Presidio ability.
4. Activate Bartolomé del Presidio by sacrificing Furystoke Giant.
5. When Furystoke Giant dies, its undying ability triggers, returning it from your graveyard to the battlefield with a +1/+1 counter on it.
6. Resolve the Bartolomé del Presidio ability.
7. Repeat.