All permanents on the battlefield. Magistrate's Scepter has at least one charge counter on it. available each odd-numbered turn, with available each even-numbered turn.
Magosi, the Waterveil + Nesting Grounds + Karn's Bastion
Combo result
Infinite turns. Prerequisites
Nesting Grounds and Karn's Bastion on the battlefield. Magosi the Waterveil on the battlefield with an eon counter on it. You have a land drop available this turn. available each turn.