The Akroan War (Theros Beyond Death)

Enchantment Ñ Saga - (As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)
I Ñ Gain control of target creature for as long as this Saga remains on the battlefield.
II Ñ Until your next turn, creatures your opponents control attack each combat if able.
III Ñ Each tapped creature deals damage to itself equal to its power.